603 Area Code
State:New Hampshire
Major City:Manchester
Timezone:Eastern
Current Time:
History of area code 603
603 is one of the original 86 area codes created by AT&T and the Bell System in 1947. It originally served the entire state of New Hampshire.
Where is area code 603
Area code 603 covers the entire state of New Hampshire. It is the only area code that serves the area.
What time zone is area code 603?
The 603 area code is located in the Eastern timezone. The Eastern time zone is also known as America/New_York
603 area code map
Top 10 Counties in Area Code 603
| County | Total Population | % of 603 | % of County |
|---|---|---|---|
| Hillsborough, NH | 400,721 | 9% | 100% |
| Rockingham, NH | 295,223 | 8% | 94% |
| Merrimack, NH | 146,445 | 10% | 100% |
| Strafford, NH | 123,143 | 4% | 100% |
| Grafton, NH | 89,118 | 19% | 100% |
| Cheshire, NH | 77,117 | 8% | 100% |
| Belknap, NH | 60,088 | 5% | 100% |
| Carroll, NH | 47,818 | 11% | 100% |
| Sullivan, NH | 43,742 | 6% | 100% |
| Coos, NH | 33,055 | 20% | 100% |
Top 50 Cities in Area Code 603
| City | Total Population | % of 603 | % of City |
|---|---|---|---|
| Manchester, NH | 109,565 | 0% | 100% |
| Nashua, NH | 86,494 | 0% | 100% |
| Concord, NH | 42,695 | 1% | 100% |
| Dover, NH | 29,987 | 0% | 100% |
| Rochester, NH | 29,752 | 0% | 100% |
| Keene, NH | 23,409 | 0% | 100% |
| Derry, NH | 22,015 | 0% | 100% |
| Portsmouth, NH | 20,779 | 0% | 100% |
| Laconia, NH | 15,951 | 0% | 100% |
| Claremont, NH | 13,355 | 0% | 100% |
| Lebanon, NH | 13,151 | 0% | 100% |
| Somersworth, NH | 11,766 | 0% | 100% |
| Londonderry, NH | 11,037 | 0% | 100% |
| Durham, NH | 10,345 | 0% | 100% |
| Berlin, NH | 10,051 | 1% | 100% |
| Hampton, NH | 9,656 | 0% | 100% |
| Exeter, NH | 9,242 | 0% | 100% |
| Milford, NH | 8,835 | 0% | 100% |
| Hanover, NH | 8,636 | 0% | 99% |
| Franklin, NH | 8,477 | 0% | 100% |
| Hudson, NH | 7,336 | 0% | 100% |
| South Hooksett, NH | 5,418 | 0% | 100% |
| Suncook, NH | 5,379 | 0% | 100% |
| Newmarket, NH | 5,297 | 0% | 100% |
| Pinardville, NH | 4,780 | 0% | 100% |
| Newport, NH | 4,769 | 0% | 100% |
| Plymouth, NH | 4,456 | 0% | 100% |
| Littleton, NH | 4,412 | 0% | 100% |
| East Merrimack, NH | 4,197 | 0% | 100% |
| Hooksett, NH | 4,147 | 0% | 100% |
| Farmington, NH | 3,885 | 0% | 100% |
| Goffstown, NH | 3,196 | 0% | 100% |
| Peterborough, NH | 3,103 | 0% | 100% |
| Tilton Northfield, NH | 3,075 | 0% | 100% |
| Raymond, NH | 2,855 | 0% | 100% |
| Wolfeboro, NH | 2,838 | 0% | 100% |
| Jaffrey, NH | 2,757 | 0% | 100% |
| North Conway, NH | 2,349 | 0% | 100% |
| Hampton Beach, NH | 2,275 | 0% | 100% |
| Hillsborough, NH | 1,976 | 0% | 100% |
| Conway, NH | 1,823 | 0% | 100% |
| Henniker, NH | 1,747 | 0% | 100% |
| Winchester, NH | 1,733 | 0% | 100% |
| Lancaster, NH | 1,725 | 0% | 100% |
| Meredith, NH | 1,718 | 0% | 100% |
| Bristol, NH | 1,688 | 0% | 100% |
| Epping, NH | 1,681 | 0% | 100% |
| Gorham, NH | 1,600 | 0% | 100% |
| Pittsfield, NH | 1,576 | 0% | 100% |
| Hinsdale, NH | 1,548 | 0% | 100% |
Largest Landline Carriers in area code603
| Prefixes | Carrier |
|---|---|
| 34% | Fairpoint Comm |
| 6% | Brooks Fiber |
| 5% | Level 3 |
| 5% | Freedom Ring |
| 4% | Comcast Phone |
| 2% | Choice One |
| 2% | Paetec |
| 14% | Other |
Largest Wireless Carriers in area code603
| Prefixes | Carrier |
|---|---|
| 8% | Bell Atlantic Nynex Mobile |
| 6% | United States Cellular - |
| 4% | Sprint |
| 3% | Cingular |
| 3% | Fairpoint Comm |
| 2% | Omnipoint Miami E License |
| 1% | Comcast Phone |
| 1% | Other |
Prefixes in area code603
| Prefix | Usage | Primary City | Carrier | Introduced |
|---|---|---|---|---|
| (603) 200- | landline | Newmarket | Comcast Phone | 08/16/2011 |
| (603) 203- | wireless | Manchester | Cingular Wireless | 05/14/2003 |
| (603) 204- | wireless | Nashua | United States Cellular Corp. | 10/13/1999 |
| (603) 205- | wireless | Portsmouth | Omnipoint Miami E License | 07/22/1999 |
| (603) 206- | landline | Manchester | Paetec Comms | 10/13/1999 |
| (603) 208- | wireless | Lyme | United States Cellular Corp. | 02/27/1999 |
| (603) 209- | wireless | Keene | United States Cellular Corp. | 10/13/1999 |
| (603) 210- | landline | Manchester | Comcast Phone | 06/13/2000 |
| (603) 212- | landline | Salem | No New England Tel Op DBA Fairpoint Comm | 03/03/2001 |
| (603) 213- | wireless | Derry | Comcast Phone | 10/25/2006 |
| (603) 214- | landline | Errol | Freedom Ring Comms | 01/14/2000 |
| (603) 215- | landline | Berlin | Freedom Ring Comms | 05/10/1999 |
| (603) 216- | landline | Manchester | Comcast Phone | 07/22/1999 |
| (603) 217- | landline | Bristol | Bell Atlantic Nynex Mobile | 10/31/2001 |
| (603) 218- | landline | Manchester | Broadview Networks | 07/22/1999 |
| (603) 219- | wireless | Concord | Sprint | 02/14/2001 |
| (603) 221- | wireless | Nashua | No New England Tel Op DBA Fairpoint Comm | 10/11/1997 |
| (603) 222- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 05/10/1999 |
| (603) 223- | landline | Concord | No New England Tel Op DBA Fairpoint Comm | 07/04/1995 |
| (603) 224- | landline | Concord | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 225- | landline | Concord | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 226- | landline | Concord | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 227- | landline | Concord | No New England Tel Op DBA Fairpoint Comm | 04/01/1997 |
| (603) 228- | landline | Concord | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 229- | landline | Concord | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 230- | landline | Concord | No New England Tel Op DBA Fairpoint Comm | 10/15/1996 |
| (603) 231- | wireless | Derry | Sprint | 05/03/2001 |
| (603) 232- | landline | Manchester | Comcast Phone | 01/14/2000 |
| (603) 233- | wireless | Nashua | Omnipoint Miami E License | 08/20/2000 |
| (603) 234- | wireless | Derry | Sprint | 05/03/2001 |
| (603) 235- | wireless | Derry | Sprint | 05/03/2001 |
| (603) 236- | landline | Wonalancet | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 237- | landline | Colebrook | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 238- | landline | Plymouth | Paetec Comms | 10/13/1999 |
| (603) 239- | landline | Winchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 240- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 04/15/1996 |
| (603) 241- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 10/11/1997 |
| (603) 242- | landline | Troy | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 243- | landline | Woodsville | Charter Fiberlink | 07/20/2011 |
| (603) 244- | landline | Manchester | Comcast Phone | 08/20/2000 |
| (603) 245- | landline | Portsmouth | No New England Tel Op DBA Fairpoint Comm | 05/10/1999 |
| (603) 246- | landline | Colebrook | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 247- | wireless | Derry | Cingular Wireless | 10/11/1997 |
| (603) 248- | wireless | Dover | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 249- | landline | Milford | No New England Tel Op DBA Fairpoint Comm | 07/04/1995 |
| (603) 250- | landline | Meredith | Freedom Ring Comms | 05/10/1999 |
| (603) 251- | landline | Salem | Paetec Comms | 02/28/2012 |
| (603) 252- | wireless | W Lebanon | United States Cellular Corp. | 03/22/2001 |
| (603) 253- | landline | Meredith | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 254- | wireless | Plymouth | United States Cellular Corp. | 02/27/1999 |
| (603) 255- | landline | Colebrook | Dixville Telco | 02/04/1994 |
| (603) 256- | landline | West Chesterfield | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 257- | landline | Plaistow | Freedom Ring Comms | 07/22/1999 |
| (603) 259- | landline | Littleton | Level 3 Comms | 05/18/1998 |
| (603) 260- | wireless | Derry | Comcast Phone | 01/04/2013 |
| (603) 261- | wireless | Merrimack | United States Cellular Corp. | 01/25/1998 |
| (603) 262- | landline | Merrimack | No New England Tel Op DBA Fairpoint Comm | 01/25/1998 |
| (603) 263- | landline | Manchester | Brooks Fiber Comms | 01/25/1998 |
| (603) 264- | wireless | Manchester | Omnipoint Miami E License | 01/25/1998 |
| (603) 265- | wireless | New Boston | Omnipoint Miami E License | 03/03/2001 |
| (603) 266- | landline | Tilton | No New England Tel Op DBA Fairpoint Comm | 05/10/1999 |
| (603) 267- | landline | Belmont | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 268- | landline | Suncook | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 269- | landline | Rumney | Union Telco | 02/04/1994 |
| (603) 270- | landline | Manchester | Brooks Fiber Comms | 01/25/1998 |
| (603) 271- | landline | Concord | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 272- | landline | Piermont | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 273- | landline | Laconia | Brooks Fiber Comms | 08/14/1998 |
| (603) 274- | landline | East Kingston | Brooks Fiber Comms | 08/14/1998 |
| (603) 275- | wireless | Derry | Omnipoint Miami E License | 03/03/2001 |
| (603) 276- | wireless | W Lebanon | Bell Atlantic Nynex Mobile | 10/13/1999 |
| (603) 277- | landline | Hanover | Comcast Phone | 10/13/2006 |
| (603) 278- | landline | Jefferson | Bretton Woods Telco | 02/04/1994 |
| (603) 279- | landline | Meredith | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 280- | landline | Barrington | Level 3 Comms | 08/14/1998 |
| (603) 281- | wireless | Nashua | No New England Tel Op DBA Fairpoint Comm | 01/14/2000 |
| (603) 282- | landline | Canaan | Brooks Fiber Comms | 08/14/1998 |
| (603) 283- | landline | Keene | Paetec Comms | 08/20/2000 |
| (603) 284- | landline | North Sandwich | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 285- | landline | Dover | Brooks Fiber Comms | 08/14/1998 |
| (603) 286- | landline | Tilton | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 287- | landline | Claremont | Level 3 Comms | 05/18/1998 |
| (603) 289- | wireless | Manchester | Cingular Wireless | 10/31/2000 |
| (603) 290- | wireless | Concord | United States Cellular Corp. | 05/18/1998 |
| (603) 291- | landline | Greenville | Comcast Phone | 10/26/2006 |
| (603) 292- | landline | Newmarket | Comcast Phone | 10/31/2000 |
| (603) 293- | landline | Laconia | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 294- | landline | Portsmouth | Level 3 Comms | 05/18/1998 |
| (603) 295- | landline | Durham | Paetec Comms | 04/26/2001 |
| (603) 296- | landline | Manchester | Choice One Comms | 01/14/2000 |
| (603) 297- | landline | Ctr Ossipee | Freedom Ring Comms | 05/10/1999 |
| (603) 298- | landline | W Lebanon | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 300- | wireless | Chester | Sprint | 06/09/2003 |
| (603) 301- | landline | Ctr Ossipee | Level 3 Comms | 10/31/2001 |
| (603) 302- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 09/19/2001 |
| (603) 303- | wireless | Manchester | Bell Atlantic Nynex Mobile | 03/09/2001 |
| (603) 304- | wireless | Enfield | United States Cellular Corp. | 02/27/1999 |
| (603) 305- | wireless | Bedford | Bell Atlantic Nynex Mobile | 08/21/2001 |
| (603) 306- | landline | Lebanon | National Mobile Comms Corp. | 12/18/2006 |
| (603) 307- | wireless | North Conway | Bell Atlantic Nynex Mobile | 09/06/2012 |
| (603) 309- | wireless | Newport | Bell Atlantic Nynex Mobile | 08/09/2013 |
| (603) 310- | landline | Bedford | Ctc Comms Corp. | 06/30/2001 |
| (603) 312- | wireless | Dover | Bell Atlantic Nynex Mobile | 07/22/1999 |
| (603) 313- | wireless | Keene | United States Cellular Corp. | 07/22/1999 |
| (603) 314- | landline | Manchester | Lightship Telecom | 10/13/1999 |
| (603) 315- | wireless | Manchester | Bell Atlantic Nynex Mobile | 02/27/1999 |
| (603) 317- | landline | Milan | Brooks Fiber Comms | 11/20/1998 |
| (603) 318- | landline | Nashua | Bell Atlantic Nynex Mobile | 06/13/2000 |
| (603) 319- | landline | Portsmouth | Lightship Telecom | 01/14/2000 |
| (603) 320- | wireless | Nashua | Cingular Wireless | 08/20/2000 |
| (603) 321- | wireless | Nashua | Bell Atlantic Nynex Mobile | 05/18/1998 |
| (603) 322- | wireless | W Lebanon | Cingular Wireless | 10/15/1996 |
| (603) 323- | landline | Tamworth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 324- | landline | Nashua | Brooks Fiber Comms | 01/25/1998 |
| (603) 325- | landline | Manchester | Brooks Fiber Comms | 01/25/1998 |
| (603) 326- | landline | Berlin | Level 3 Comms | 05/18/1998 |
| (603) 327- | landline | Salem | Lightship Telecom | 10/13/1999 |
| (603) 328- | landline | Salem | Paetec Comms | 01/14/2000 |
| (603) 329- | landline | Hampstead | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 330- | landline | Rochester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 331- | landline | Colebrook | Level 3 Comms | 05/18/1998 |
| (603) 332- | landline | Rochester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 334- | landline | Portsmouth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 335- | landline | Rochester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 336- | landline | Hinsdale | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 337- | landline | Rochester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 338- | landline | Keene | Brooks Fiber Comms | 08/14/1998 |
| (603) 339- | wireless | Derry | Cingular Wireless | 06/13/2000 |
| (603) 340- | wireless | Suncook | Bell Atlantic Nynex Mobile | 02/12/2001 |
| (603) 341- | wireless | Merrimack | United States Cellular Corp. | 05/18/1998 |
| (603) 342- | landline | Berlin | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 343- | landline | Dover | Comcast Phone | 06/13/2000 |
| (603) 344- | wireless | Suncook | United States Cellular Corp. | 10/11/1997 |
| (603) 345- | wireless | Merrimack | United States Cellular Corp. | 02/04/1994 |
| (603) 346- | landline | Plymouth | Level 3 Comms | 05/18/1998 |
| (603) 347- | landline | Kingston | Comcast Phone | 08/20/2000 |
| (603) 348- | wireless | N Woodstock | United States Cellular Corp. | 02/27/1999 |
| (603) 349- | wireless | W Lebanon | United States Cellular Corp. | 05/18/1998 |
| (603) 350- | landline | E Rochester | Brooks Fiber Comms | 08/14/1998 |
| (603) 351- | landline | Manchester | Brooks Fiber Comms | 01/25/1998 |
| (603) 352- | landline | Keene | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 353- | landline | Orford | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 354- | landline | Keene | No New England Tel Op DBA Fairpoint Comm | 10/11/1997 |
| (603) 355- | landline | Keene | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 356- | landline | North Conway | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 357- | landline | Keene | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 358- | landline | Keene | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 359- | wireless | Lebanon | Bell Atlantic Nynex Mobile | 10/15/1996 |
| (603) 360- | landline | Orford | Topsham Comms | 06/11/2010 |
| (603) 361- | landline | Manchester | Bell Atlantic Nynex Mobile | 05/18/2001 |
| (603) 362- | landline | Hampstead | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 363- | landline | Chesterfield | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 364- | landline | Gilmanton | Union Telco | 02/04/1994 |
| (603) 365- | wireless | Merrimack | Sprint | 05/04/2001 |
| (603) 366- | landline | Laconia | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 367- | landline | Madison | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 369- | landline | Concord | Level 3 Comms | 05/18/1998 |
| (603) 370- | wireless | Candia | Bell Atlantic Nynex Mobile | 10/17/2001 |
| (603) 371- | landline | Peterborough | Conversent Comms | 01/14/2000 |
| (603) 372- | landline | Claremont | Freedom Ring Comms | 05/10/1999 |
| (603) 373- | landline | Portsmouth | Conversent Comms | 07/22/1999 |
| (603) 374- | landline | Bartlett | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 375- | landline | Ashland | Time Warner Cable (new Hampshire) | 07/19/2012 |
| (603) 376- | wireless | Dover | No New England Tel Op DBA Fairpoint Comm | 04/15/1996 |
| (603) 377- | wireless | Merrimack | Omnipoint Miami E License | 03/03/2001 |
| (603) 378- | landline | Plaistow | No New England Tel Op DBA Fairpoint Comm | 04/01/1997 |
| (603) 379- | landline | Rye | Brooks Fiber Comms | 08/14/1998 |
| (603) 380- | wireless | Portsmouth | Cingular Wireless | 04/01/1997 |
| (603) 381- | wireless | W Lebanon | United States Cellular Corp. | 07/06/1997 |
| (603) 382- | landline | Plaistow | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 383- | landline | Jackson | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 384- | landline | Manchester | Comcast Phone | 02/27/1999 |
| (603) 385- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 07/04/1995 |
| (603) 386- | landline | Nashua | Broadview Networks | 07/22/1999 |
| (603) 387- | wireless | Laconia | Bell Atlantic Nynex Mobile | 02/04/1994 |
| (603) 388- | landline | Colebrook | Freedom Ring Comms | 05/10/1999 |
| (603) 389- | landline | Durham | Choice One Comms | 10/13/1999 |
| (603) 390- | landline | Jefferson | Brooks Fiber Comms | 11/20/1998 |
| (603) 391- | landline | Manchester | Teleport Comms America | 10/31/2000 |
| (603) 392- | landline | Winchester | Comcast Phone | 11/07/2006 |
| (603) 393- | wireless | Laconia | United States Cellular Corp. | 05/04/2001 |
| (603) 394- | landline | Seabrook | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 395- | landline | Exeter | Brooks Fiber Comms | 08/14/1998 |
| (603) 396- | wireless | Merrimack | Sprint | 10/31/2000 |
| (603) 397- | landline | Durham | Comcast Phone | 10/31/2000 |
| (603) 398- | wireless | W Lebanon | United States Cellular Corp. | 01/10/1996 |
| (603) 399- | landline | Westmoreland | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 400- | landline | Hollis | Charter Fiberlink | 08/31/2011 |
| (603) 401- | wireless | Hampton | Bell Atlantic Nynex Mobile | 10/17/2001 |
| (603) 402- | wireless | Nashua | Bell Atlantic Nynex Mobile | 09/06/2012 |
| (603) 410- | landline | Manchester | Conversent Comms | 07/22/1999 |
| (603) 412- | wireless | Plymouth | United States Cellular Corp. | 02/27/1999 |
| (603) 413- | landline | Manchester | Paetec Comms | 06/13/2000 |
| (603) 414- | wireless | Sunapee | United States Cellular Corp. | 05/10/1999 |
| (603) 415- | landline | Concord | Freedom Ring Comms | 05/10/1999 |
| (603) 418- | landline | Exeter | Conversent Comms | 01/14/2000 |
| (603) 419- | wireless | Suncook | United States Cellular Corp. | 07/22/1999 |
| (603) 420- | landline | Nashua | Brooks Fiber Comms | 01/25/1998 |
| (603) 421- | landline | Derry | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 422- | landline | Portsmouth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 423- | landline | Merrimack | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 424- | landline | Merrimack | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 425- | landline | Derry | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 426- | wireless | Derry | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 427- | landline | Portsmouth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 428- | landline | Henniker | Merrimack Co. Telco, DBA Contoocook Valley | 02/04/1994 |
| (603) 429- | landline | Merrimack | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 430- | landline | Portsmouth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 431- | landline | Portsmouth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 432- | landline | Derry | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 433- | landline | Portsmouth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 434- | landline | Derry | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 435- | landline | Pittsfield | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 436- | landline | Portsmouth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 437- | landline | Derry | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 438- | wireless | Nashua | Sprint | 08/20/2000 |
| (603) 439- | landline | Keene | Conversent Comms | 01/14/2000 |
| (603) 440- | landline | Merrimack | No New England Tel Op DBA Fairpoint Comm | 05/18/1998 |
| (603) 442- | landline | Lebanon | No New England Tel Op DBA Fairpoint Comm | 01/25/1998 |
| (603) 443- | landline | Lebanon | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 444- | landline | Littleton | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 445- | landline | North Walpole | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 446- | landline | Marlow | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 447- | landline | Conway | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 448- | landline | Lebanon | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 449- | landline | Milan | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 452- | landline | Conway | Freedom Ring Comms | 05/10/1999 |
| (603) 454- | wireless | Sunapee | United States Cellular Corp. | 05/10/1999 |
| (603) 455- | wireless | Laconia | United States Cellular Corp. | 01/25/1998 |
| (603) 456- | landline | Warner | Merrimack County Telco | 02/04/1994 |
| (603) 458- | landline | Salem | Comcast Phone | 07/22/1999 |
| (603) 459- | landline | Nashua | Lightship Telecom | 10/13/1999 |
| (603) 460- | landline | Manchester | Brooks Fiber Comms | 01/25/1998 |
| (603) 461- | wireless | Merrimack | United States Cellular Corp. | 07/06/1997 |
| (603) 462- | landline | Deerfield | Freedom Ring Comms | 05/10/1999 |
| (603) 463- | landline | Deerfield | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 464- | landline | Hillsboro | Merrimack Co. Telco, DBA Contoocook Valley | 02/04/1994 |
| (603) 465- | landline | Hollis | Hollis TelephoneCo. | 02/04/1994 |
| (603) 466- | landline | Gorham | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 467- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 07/04/1995 |
| (603) 468- | landline | Seabrook | Freedom Ring Comms | 10/13/1999 |
| (603) 469- | landline | Lebanon | Kearsarge Telco | 02/04/1994 |
| (603) 470- | wireless | Concord | United States Cellular Corp. | 04/19/2001 |
| (603) 471- | landline | Bedford | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 472- | landline | Bedford | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 473- | landline | Milton Mills | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 474- | landline | Seabrook | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 475- | wireless | Salem | Bell Atlantic Nynex Mobile | 01/14/2000 |
| (603) 476- | landline | South Tamworth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 477- | wireless | Claremont | United States Cellular Corp. | 02/27/1999 |
| (603) 478- | landline | Hillsboro | Granite State Telephone | 02/04/1994 |
| (603) 479- | wireless | Derry | Cingular Wireless | 02/04/1994 |
| (603) 480- | wireless | Manchester | Dsci Corp. | 10/15/1996 |
| (603) 481- | wireless | Manchester | Bell Atlantic Nynex Mobile | 02/04/1994 |
| (603) 482- | landline | Errol | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 483- | landline | Candia | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 485- | landline | Suncook | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 486- | wireless | Manchester | United States Cellular Corp. | 11/20/1998 |
| (603) 487- | landline | New Boston | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 488- | landline | Manchester | Comcast Phone | 06/13/2000 |
| (603) 489- | landline | Manchester | Comcast Phone | 10/13/1999 |
| (603) 490- | wireless | Derry | Bell Atlantic Nynex Mobile | 02/11/1995 |
| (603) 491- | wireless | Concord | Bell Atlantic Nynex Mobile | 07/01/1996 |
| (603) 492- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 493- | wireless | Merrimack | Bell Atlantic Nynex Mobile | 02/04/1994 |
| (603) 494- | wireless | Merrimack | Bell Atlantic Nynex Mobile | 02/04/1994 |
| (603) 495- | landline | Washington | Granite State Telephone | 02/04/1994 |
| (603) 496- | wireless | Concord | Bell Atlantic Nynex Mobile | 02/04/1994 |
| (603) 497- | landline | Goffstown | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 498- | wireless | Portsmouth | Bell Atlantic Nynex Mobile | 02/11/1995 |
| (603) 499- | landline | Keene | Level 3 Comms | 05/18/1998 |
| (603) 501- | landline | Portsmouth | Paetec Comms | 06/13/2000 |
| (603) 502- | wireless | Portsmouth | Cingular Wireless | 06/13/2000 |
| (603) 503- | landline | Lancaster | Brooks Fiber Comms | 11/20/1998 |
| (603) 504- | wireless | Claremont | United States Cellular Corp. | 02/27/1999 |
| (603) 505- | wireless | Derry | Bell Atlantic Nynex Mobile | 10/09/2002 |
| (603) 508- | wireless | Pelham | Bell Atlantic Nynex Mobile | 08/08/2001 |
| (603) 509- | landline | Dover | Ctc Comms Corp. | 09/24/2001 |
| (603) 510- | landline | Meriden | Comcast Phone | 03/29/2010 |
| (603) 512- | wireless | Manchester | Sprint | 05/10/1999 |
| (603) 513- | landline | Concord | Bell Atlantic Nynex Mobile | 06/13/2000 |
| (603) 515- | landline | Wolfeboro | No New England Tel Op DBA Fairpoint Comm | 07/22/1999 |
| (603) 516- | landline | Dover | Freedom Ring Comms | 05/10/1999 |
| (603) 517- | wireless | Merrimack | No New England Tel Op DBA Fairpoint Comm | 02/27/1999 |
| (603) 518- | landline | Manchester | AT&T Local | 07/22/1999 |
| (603) 520- | wireless | Laconia | Bell Atlantic Nynex Mobile | 07/01/1996 |
| (603) 521- | landline | Nashua | AT&T Local | 10/13/1999 |
| (603) 522- | landline | Sanbornville | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 523- | landline | Canaan | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 524- | landline | Laconia | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 525- | landline | Hancock | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 526- | landline | New London | Kearsarge Telco | 02/04/1994 |
| (603) 527- | landline | Laconia | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 528- | landline | Laconia | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 529- | landline | Weare | Granite State Telephone | 02/04/1994 |
| (603) 530- | wireless | Bristol | Rural Cellular Corp. | 02/22/2002 |
| (603) 531- | wireless | Portsmouth | Cingular Wireless | 02/11/1995 |
| (603) 532- | landline | Jaffrey | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 533- | wireless | Merrimack | United States Cellular Corp. | 02/04/1994 |
| (603) 534- | wireless | Dover | Bell Atlantic Nynex Mobile | 02/04/1994 |
| (603) 535- | landline | Plymouth | Paetec Comms | 02/04/1994 |
| (603) 536- | landline | Plymouth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 537- | landline | Derry | No New England Tel Op DBA Fairpoint Comm | 04/15/1996 |
| (603) 538- | landline | Pittsburg | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 539- | landline | Ctr Ossipee | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 540- | wireless | Goffstown | Bell Atlantic Nynex Mobile | 08/21/2001 |
| (603) 541- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 05/21/2001 |
| (603) 542- | landline | Claremont | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 543- | landline | Claremont | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 544- | landline | Center Tuftonboro | Merrimack Co. Telco, DBA Contoocook Valley | 02/04/1994 |
| (603) 545- | landline | Concord | Lightship Telecom | 10/13/1999 |
| (603) 546- | landline | Nashua | Choice One Comms | 01/14/2000 |
| (603) 547- | landline | Greenfield | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 548- | wireless | Derry | Bell Atlantic Nynex Mobile | 07/01/1996 |
| (603) 549- | wireless | Derry | No New England Tel Op DBA Fairpoint Comm | 05/18/1998 |
| (603) 551- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 552- | landline | Manchester | Brooks Fiber Comms | 01/25/1998 |
| (603) 553- | wireless | Derry | Cingular Wireless | 09/11/1994 |
| (603) 554- | wireless | Milford | United States Cellular Corp. | 01/25/1998 |
| (603) 556- | landline | Laconia | Level 3 Comms | 05/18/1998 |
| (603) 557- | wireless | Nashua | Sprint | 05/18/1998 |
| (603) 558- | wireless | Claremont | Bell Atlantic Nynex Mobile | 02/04/1994 |
| (603) 559- | landline | Portsmouth | No New England Tel Op DBA Fairpoint Comm | 04/01/1997 |
| (603) 560- | wireless | Salem | Cingular Wireless | 08/20/2000 |
| (603) 561- | wireless | Nashua | No New England Tel Op DBA Fairpoint Comm | 09/11/1994 |
| (603) 562- | wireless | Peterborough | United States Cellular Corp. | 01/25/1998 |
| (603) 563- | landline | Harrisville | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 564- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 565- | landline | Penacook | Level 3 Comms | 08/14/1998 |
| (603) 566- | wireless | Nashua | Bell Atlantic Nynex Mobile | 02/11/1995 |
| (603) 567- | landline | Peterborough | Level 3 Comms | 05/18/1998 |
| (603) 568- | wireless | Concord | Bell Atlantic Nynex Mobile | 08/06/2002 |
| (603) 569- | landline | Wolfeboro | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 570- | landline | Portsmouth | Teleport Comms America | 08/14/1998 |
| (603) 571- | wireless | Derry | Cingular Wireless | 04/01/1997 |
| (603) 572- | wireless | Nashua | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 573- | landline | Manchester | Brooks Fiber Comms | 08/14/1998 |
| (603) 574- | landline | Alstead | Level 3 Comms | 08/14/1998 |
| (603) 575- | landline | Littleton | Brooks Fiber Comms | 08/14/1998 |
| (603) 576- | landline | Lyme | Level 3 Comms | 08/14/1998 |
| (603) 577- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 09/11/1994 |
| (603) 578- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 579- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 07/06/1997 |
| (603) 580- | landline | Exeter | Comcast Phone | 08/20/2000 |
| (603) 581- | landline | Laconia | Choice One Comms | 08/20/2000 |
| (603) 582- | wireless | Merrimack | United States Cellular Corp. | 07/01/1996 |
| (603) 583- | landline | Exeter | Level 3 Comms | 05/18/1998 |
| (603) 585- | landline | Fitzwilliam | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 586- | landline | Jefferson | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 587- | landline | Manchester | Brooks Fiber Comms | 01/25/1998 |
| (603) 588- | landline | Antrim | Merrimack Co. Telco, DBA Contoocook Valley | 02/04/1994 |
| (603) 589- | landline | Nashua | Paetec Comms | 01/14/2000 |
| (603) 590- | landline | Durham | Freedom Ring Comms | 05/10/1999 |
| (603) 591- | wireless | Manchester | Sprint | 10/31/2000 |
| (603) 592- | landline | Chesterfield | Brooks Fiber Comms | 08/14/1998 |
| (603) 593- | landline | Jaffrey | Ctc Comms Corp. | 06/26/2003 |
| (603) 594- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 595- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 596- | wireless | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 597- | landline | Lyme | Brooks Fiber Comms | 08/14/1998 |
| (603) 598- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 599- | wireless | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 601- | landline | Hampton | Paetec Comms | 06/30/2001 |
| (603) 606- | landline | Manchester | Conversent Comms | 05/10/1999 |
| (603) 608- | wireless | Northwood | Sprint | 01/22/2002 |
| (603) 609- | landline | Dover | Cingular Wireless | 08/20/2000 |
| (603) 610- | landline | Portsmouth | Choice One Comms | 06/13/2000 |
| (603) 612- | landline | Plaistow | Conversent Comms | 10/13/1999 |
| (603) 613- | landline | Colebrook | Brooks Fiber Comms | 11/20/1998 |
| (603) 614- | landline | West Chesterfield | Level 3 Comms | 11/20/1998 |
| (603) 615- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/27/1999 |
| (603) 616- | wireless | Littleton | United States Cellular Corp. | 02/27/1999 |
| (603) 617- | landline | Dover | Choice One Comms | 06/13/2000 |
| (603) 618- | landline | Woodsville | Level 3 Comms | 08/14/1998 |
| (603) 620- | wireless | Merrimack | United States Cellular Corp. | 04/01/1997 |
| (603) 621- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 622- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 623- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 624- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 625- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 626- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 627- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 628- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 629- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 07/06/1997 |
| (603) 630- | wireless | Laconia | Bell Atlantic Nynex Mobile | 01/22/2002 |
| (603) 631- | wireless | Lancaster | United States Cellular Corp. | 02/22/2002 |
| (603) 632- | landline | Enfield | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 633- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 05/21/2001 |
| (603) 634- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 635- | landline | Pelham | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 636- | landline | Groveton | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 637- | landline | Bedford | Brooks Fiber Comms | 01/25/1998 |
| (603) 638- | landline | Monroe | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 639- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 640- | landline | Hanover | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 641- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 642- | landline | Kingston | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 643- | landline | Hanover | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 644- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 645- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 646- | landline | Hanover | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 647- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 648- | landline | Franklin | Kearsarge Telco | 02/04/1994 |
| (603) 650- | landline | Hanover | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 651- | wireless | Ctr Ossipee | United States Cellular Corp. | 01/25/1998 |
| (603) 652- | landline | Farmington | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 653- | landline | Hanover | No New England Tel Op DBA Fairpoint Comm | 05/18/1998 |
| (603) 654- | landline | Wilton | Wilton Telco | 02/04/1994 |
| (603) 655- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 07/01/1996 |
| (603) 656- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 04/15/1996 |
| (603) 657- | landline | Manchester | Choice One Comms | 01/14/2000 |
| (603) 658- | landline | Exeter | Freedom Ring Comms | 05/10/1999 |
| (603) 659- | landline | Newmarket | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 660- | wireless | Goffstown | Bell Atlantic Nynex Mobile | 02/22/2002 |
| (603) 661- | wireless | Manchester | Sprint | 10/15/1996 |
| (603) 662- | wireless | Conway | United States Cellular Corp. | 01/25/1998 |
| (603) 663- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 10/15/1996 |
| (603) 664- | landline | Barrington | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 665- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 05/18/1998 |
| (603) 666- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 667- | landline | Lebanon | Brooks Fiber Comms | 08/14/1998 |
| (603) 668- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 669- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 670- | landline | Merrimack | Choice One Comms | 10/31/2000 |
| (603) 671- | landline | Franklin | Brooks Fiber Comms | 08/14/1998 |
| (603) 672- | landline | Milford | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 673- | landline | Milford | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 674- | wireless | Manchester | Sprint | 11/20/1998 |
| (603) 675- | landline | Cornish | No New England Tel Op DBA Fairpoint Comm | 01/10/1996 |
| (603) 676- | landline | Hanover | Freedom Ring Comms | 05/10/1999 |
| (603) 677- | landline | Meredith | Brooks Fiber Comms | 08/14/1998 |
| (603) 678- | landline | Lebanon | Level 3 Comms | 08/14/1998 |
| (603) 679- | landline | Epping | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 680- | wireless | Hillsboro | United States Cellular Corp. | 04/23/2004 |
| (603) 681- | landline | Salem | Choice One Comms | 06/13/2000 |
| (603) 682- | wireless | Manchester | Sprint | 02/27/1999 |
| (603) 683- | landline | Merrimack | No New England Tel Op DBA Fairpoint Comm | 10/13/1999 |
| (603) 684- | landline | Lancaster | Level 3 Comms | 05/18/1998 |
| (603) 685- | landline | Salem | Conversent Comms | 10/13/1999 |
| (603) 686- | wireless | Exeter | Bell Atlantic Nynex Mobile | 09/12/2002 |
| (603) 687- | landline | Jackson | Freedom Ring Comms | 05/10/1999 |
| (603) 688- | landline | Wilton | Wilton Telco | 08/03/2012 |
| (603) 689- | landline | Nashua | Choice One Comms | 08/20/2000 |
| (603) 690- | landline | Claremont | Brooks Fiber Comms | 08/14/1998 |
| (603) 692- | landline | Somersworth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 693- | landline | Epping | Conversent Comms | 08/20/2000 |
| (603) 694- | landline | Chatham | Northland Telephone Of Maine | 01/10/1996 |
| (603) 695- | landline | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 701- | landline | Rochester | Idt America Corp | 10/22/2009 |
| (603) 702- | wireless | Kingston | Bell Atlantic Nynex Mobile | 07/08/2002 |
| (603) 703- | landline | Manchester | Otel Telekom | 08/18/2004 |
| (603) 705- | landline | Salisbury | Comcast Phone | 11/17/2009 |
| (603) 706- | landline | Raymond | Conversent Comms | 06/13/2000 |
| (603) 707- | wireless | Meredith | Bell Atlantic Nynex Mobile | 07/28/2004 |
| (603) 708- | landline | Canterbury | Comcast Phone | 02/18/2005 |
| (603) 709- | landline | Plainfield | Level 3 Comms | 08/17/2004 |
| (603) 710- | landline | Contoocook | Merrimack County Telco | 08/01/2012 |
| (603) 712- | landline | Woodsville | Brooks Fiber Comms | 11/20/1998 |
| (603) 714- | wireless | Manchester | Bell Atlantic Nynex Mobile | 11/19/2001 |
| (603) 715- | landline | Concord | Comcast Phone | 10/13/1999 |
| (603) 716- | landline | Manchester | Crc Comms Of Maine | 06/04/2008 |
| (603) 717- | landline | Concord | Choice One Comms | 01/14/2000 |
| (603) 718- | wireless | Nashua | Bell Atlantic Nynex Mobile | 05/08/2009 |
| (603) 719- | landline | Keene | Freedom Ring Comms | 05/10/1999 |
| (603) 721- | wireless | Milford | Sprint | 07/08/2002 |
| (603) 722- | landline | Manchester | Bandwidth.com | 05/14/2008 |
| (603) 723- | wireless | Berlin | United States Cellular Corp. | 02/27/1999 |
| (603) 724- | landline | Manchester | Paetec Comms | 01/14/2000 |
| (603) 725- | landline | Tamworth | Level 3 Comms | 11/20/1998 |
| (603) 726- | landline | Plymouth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 727- | landline | Lebanon | Lightship Telecom | 08/20/2000 |
| (603) 728- | landline | N Woodstock | Level 3 Comms | 05/18/1998 |
| (603) 729- | landline | Tilton | Brooks Fiber Comms | 08/14/1998 |
| (603) 730- | landline | North Conway | Brooks Fiber Comms | 08/14/1998 |
| (603) 731- | wireless | Concord | Bell Atlantic Nynex Mobile | 07/01/1996 |
| (603) 732- | landline | Nashua | Brooks Fiber Comms | 01/25/1998 |
| (603) 733- | landline | North Conway | Level 3 Comms | 08/14/1998 |
| (603) 734- | landline | Epping | Brooks Fiber Comms | 08/14/1998 |
| (603) 735- | landline | Andover | Kearsarge Telco | 02/04/1994 |
| (603) 736- | landline | Northwood | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 737- | landline | Laconia | Freedom Ring Comms | 05/10/1999 |
| (603) 738- | wireless | Concord | Cingular Wireless | 08/20/2000 |
| (603) 739- | landline | N Woodstock | Brooks Fiber Comms | 11/20/1998 |
| (603) 740- | landline | Dover | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 741- | landline | New Boston | Level 3 Comms | 08/20/2000 |
| (603) 742- | landline | Dover | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 743- | landline | Dover | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 744- | landline | Bristol | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 745- | landline | N Woodstock | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 746- | landline | Contoocook | Merrimack County Telco | 02/04/1994 |
| (603) 747- | landline | Woodsville | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 748- | wireless | Warner | Bell Atlantic Nynex Mobile | 06/20/2003 |
| (603) 749- | landline | Dover | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 750- | landline | Dover | No New England Tel Op DBA Fairpoint Comm | 07/06/1997 |
| (603) 751- | landline | Nashua | Brooks Fiber Comms | 01/25/1998 |
| (603) 752- | landline | Berlin | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 753- | landline | Penacook | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 754- | landline | Lancaster | Freedom Ring Comms | 05/10/1999 |
| (603) 755- | landline | Farmington | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 756- | landline | North Walpole | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 757- | landline | Keene | Lightship Telecom | 01/14/2000 |
| (603) 758- | landline | Hampton | Choice One Comms | 10/31/2000 |
| (603) 759- | wireless | Nashua | Bell Atlantic Nynex Mobile | 07/01/1996 |
| (603) 760- | landline | Seabrook | AT&T Local | 05/20/2002 |
| (603) 761- | landline | Littleton | Freedom Ring Comms | 05/10/1999 |
| (603) 762- | wireless | Keene | Bell Atlantic Nynex Mobile | 04/15/1996 |
| (603) 763- | landline | Sunapee | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 764- | landline | Warren | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 765- | wireless | Nashua | Sprint | 06/13/2000 |
| (603) 766- | landline | Portsmouth | Freedom Ring Comms | 11/20/1998 |
| (603) 767- | wireless | Dover | Cingular Wireless | 02/04/1994 |
| (603) 768- | landline | Grafton | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 769- | landline | Manchester | Level 3 Comms | 08/14/1998 |
| (603) 770- | wireless | Exeter | Bell Atlantic Nynex Mobile | 02/11/1995 |
| (603) 771- | wireless | Manchester | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 772- | landline | Exeter | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 773- | landline | Exeter | No New England Tel Op DBA Fairpoint Comm | 02/11/1995 |
| (603) 774- | landline | Bow | Dunbarton TelephoneCo. | 02/04/1994 |
| (603) 775- | landline | Exeter | No New England Tel Op DBA Fairpoint Comm | 04/01/1997 |
| (603) 776- | landline | New Durham | Union Telco | 02/04/1994 |
| (603) 777- | landline | Exeter | No New England Tel Op DBA Fairpoint Comm | 07/06/1997 |
| (603) 778- | landline | Exeter | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 779- | landline | Plymouth | Brooks Fiber Comms | 08/14/1998 |
| (603) 780- | landline | Canaan | Level 3 Comms | 11/20/1998 |
| (603) 781- | wireless | Dover | Cingular Wireless | 04/15/1996 |
| (603) 782- | landline | Manchester | Level 3 Comms | 05/18/1998 |
| (603) 783- | landline | Canterbury | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 784- | landline | Peterborough | Brooks Fiber Comms | 08/14/1998 |
| (603) 785- | wireless | Manchester | Cingular Wireless | 06/13/2000 |
| (603) 786- | landline | Wentworth | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 787- | landline | Woodsville | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 788- | landline | Lancaster | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 789- | landline | Grafton | Freedom Ring Comms | 01/14/2000 |
| (603) 790- | landline | W Lebanon | Bell Atlantic Nynex Mobile | 10/25/2002 |
| (603) 791- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 792- | landline | Manchester | Freedom Ring Comms | 05/10/1999 |
| (603) 793- | wireless | Exeter | Sprint | 05/20/2002 |
| (603) 795- | landline | Lyme | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 796- | landline | Boscawen | Kearsarge Telco | 02/04/1994 |
| (603) 797- | landline | Plaistow | Brooks Fiber Comms | 08/14/1998 |
| (603) 798- | landline | Salisbury | Kearsarge Telco | 02/04/1994 |
| (603) 799- | wireless | Manchester | Sprint | 03/03/2001 |
| (603) 801- | wireless | Milford | Bell Atlantic Nynex Mobile | 03/16/2001 |
| (603) 808- | landline | Antrim | Comcast Phone | 11/23/2009 |
| (603) 809- | wireless | Nashua | Bell Atlantic Nynex Mobile | 03/13/2007 |
| (603) 812- | landline | Portsmouth | Bell Atlantic Nynex Mobile | 06/13/2000 |
| (603) 813- | landline | Ctr Barnstead | Idt America Corp | 10/30/2009 |
| (603) 814- | wireless | Seabrook | Comcast Phone | 07/30/2010 |
| (603) 815- | landline | Durham | Teleport Comms America | 12/06/2007 |
| (603) 816- | landline | Nashua | Freedom Ring Comms | 05/10/1999 |
| (603) 817- | wireless | Dover | Sprint | 12/19/2001 |
| (603) 818- | wireless | Derry | Sprint | 07/08/2002 |
| (603) 819- | landline | Plaistow | Level 3 Comms | 11/20/1998 |
| (603) 820- | wireless | Merrimack | Metro PCS | 03/10/2008 |
| (603) 821- | landline | Nashua | Conversent Comms | 05/10/1999 |
| (603) 822- | landline | Rochester | Choice One Comms | 08/20/2000 |
| (603) 823- | landline | Franconia | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 824- | landline | Nashua | Brooks Fiber Comms | 01/25/1998 |
| (603) 826- | landline | Charlestown | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 827- | landline | Harrisville | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 828- | wireless | Portsmouth | Bell Atlantic Nynex Mobile | 01/22/2002 |
| (603) 829- | landline | Sunapee | Brooks Fiber Comms | 08/14/1998 |
| (603) 831- | wireless | Greenfield | Bell Atlantic Nynex Mobile | 12/14/2004 |
| (603) 832- | landline | Laconia | Lightship Telecom | 08/20/2000 |
| (603) 833- | wireless | Rochester | Bell Atlantic Nynex Mobile | 10/05/2004 |
| (603) 834- | landline | Dover | Conversent Comms | 06/13/2000 |
| (603) 835- | landline | Alstead | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 836- | landline | Manchester | Comcast Phone | 10/25/2002 |
| (603) 837- | landline | Whitefield | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 838- | landline | Lisbon | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 839- | landline | Farmington | Crc Comms Of Maine | 10/13/2006 |
| (603) 840- | landline | Epsom | Comcast Phone | 11/16/2009 |
| (603) 841- | landline | Somersworth | Comcast Phone | 10/31/2000 |
| (603) 842- | landline | Dover | Paetec Comms | 08/20/2000 |
| (603) 843- | landline | Newport | Freedom Ring Comms | 05/10/1999 |
| (603) 845- | landline | Derry | Lightship Telecom | 01/14/2000 |
| (603) 846- | landline | Bethlehem | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 847- | landline | Sullivan | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 848- | wireless | Concord | United States Cellular Corp. | 07/01/1996 |
| (603) 851- | wireless | Manchester | Bell Atlantic Nynex Mobile | 10/13/1999 |
| (603) 852- | wireless | Keene | Omnipoint Miami E License | 03/03/2001 |
| (603) 853- | landline | Woodsville | Freedom Ring Comms | 05/10/1999 |
| (603) 854- | wireless | Manchester | Cingular Wireless | 12/06/2002 |
| (603) 855- | landline | Alton | Idt America Corp | 10/30/2009 |
| (603) 856- | landline | Concord | Choice One Comms | 01/14/2000 |
| (603) 858- | wireless | Manchester | Omnipoint Miami E License | 06/13/2000 |
| (603) 859- | landline | New Durham | Union Telco | 02/04/1994 |
| (603) 860- | wireless | Manchester | Bell Atlantic Nynex Mobile | 07/01/1996 |
| (603) 861- | landline | Tamworth | Brooks Fiber Comms | 08/14/1998 |
| (603) 862- | landline | Durham | Paetec Comms | 04/26/2001 |
| (603) 863- | landline | Newport | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 864- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 05/10/1999 |
| (603) 865- | landline | Newport | No New England Tel Op DBA Fairpoint Comm | 02/27/1999 |
| (603) 866- | wireless | Dover | Omnipoint Miami E License | 03/03/2001 |
| (603) 867- | wireless | Manchester | Cingular Wireless | 02/27/1999 |
| (603) 868- | landline | Durham | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 869- | landline | Bethlehem | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 870- | landline | Salem | No New England Tel Op DBA Fairpoint Comm | 10/11/1997 |
| (603) 871- | landline | Sanbornville | Level 3 Comms | 11/20/1998 |
| (603) 872- | landline | Gilmanton Iron Works | Idt America Corp | 10/30/2009 |
| (603) 873- | landline | Sunapee | Level 3 Comms | 08/14/1998 |
| (603) 874- | landline | Lisbon | Level 3 Comms | 08/14/1998 |
| (603) 875- | landline | Alton | Union Telco | 02/04/1994 |
| (603) 876- | landline | Marlborough | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 877- | landline | New London | Comcast Phone | 11/17/2009 |
| (603) 878- | landline | Greenville | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 879- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 05/18/1998 |
| (603) 880- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 881- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 882- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 883- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 884- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 885- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 886- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 887- | landline | Chester | Granite State Telephone | 02/04/1994 |
| (603) 888- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 889- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 890- | landline | Salem | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 891- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 892- | wireless | Concord | Omnipoint Miami E License | 03/03/2001 |
| (603) 893- | landline | Salem | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 894- | landline | Salem | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 895- | landline | Raymond | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 896- | landline | Salem | No New England Tel Op DBA Fairpoint Comm | 04/15/1996 |
| (603) 897- | landline | Nashua | No New England Tel Op DBA Fairpoint Comm | 07/04/1995 |
| (603) 898- | landline | Salem | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 899- | landline | Rindge | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 902- | landline | Newbury | Comcast Phone | 11/17/2009 |
| (603) 903- | landline | Keene | Crc Comms Of Maine | 10/13/2005 |
| (603) 904- | landline | Walpole | Otel Telekom | 08/22/2005 |
| (603) 905- | landline | Barrington | Otel Telekom | 09/20/2006 |
| (603) 906- | landline | Rochester | Idt America Corp | 10/30/2009 |
| (603) 910- | landline | Hampton | Conversent Comms | 08/20/2000 |
| (603) 912- | landline | Salem | Freedom Ring Comms | 08/20/2000 |
| (603) 913- | landline | Manchester | Paetec Comms | 06/13/2000 |
| (603) 915- | wireless | Gorham | Bell Atlantic Nynex Mobile | 02/22/2002 |
| (603) 918- | wireless | Hampton | Bell Atlantic Nynex Mobile | 04/19/2002 |
| (603) 921- | wireless | Nashua | Bell Atlantic Nynex Mobile | 07/06/2009 |
| (603) 922- | landline | North Stratford | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 923- | landline | Rochester | Level 3 Comms | 08/14/1998 |
| (603) 924- | landline | Peterborough | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 925- | landline | Peterborough | Freedom Ring Comms | 05/10/1999 |
| (603) 926- | landline | Hampton | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 927- | landline | Newbury | Merrimack County Telco | 02/04/1994 |
| (603) 928- | landline | Suncook | Freedom Ring Comms | 06/13/2000 |
| (603) 929- | landline | Hampton | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 930- | wireless | Nashua | Cingular Wireless | 02/27/1999 |
| (603) 932- | landline | Manchester | Securesyscom | 08/20/2008 |
| (603) 933- | wireless | Greenfield | Bell Atlantic Nynex Mobile | 07/07/2008 |
| (603) 934- | landline | Franklin | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 935- | landline | Manchester | Dsci Corp. | 03/27/2006 |
| (603) 937- | wireless | Meredith | Bell Atlantic Nynex Mobile | 06/06/2008 |
| (603) 938- | landline | Warner | Merrimack County Telco | 02/04/1994 |
| (603) 939- | landline | Center Conway | Northland Telephone Of Maine | 01/10/1996 |
| (603) 941- | landline | Wolfeboro | Brooks Fiber Comms | 08/14/1998 |
| (603) 942- | landline | Northwood | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 943- | wireless | Nashua | Omnipoint Miami E License | 11/20/1998 |
| (603) 944- | wireless | East Kingston | Sprint | 12/19/2001 |
| (603) 945- | landline | Manchester | Neutral Tandem | 08/01/2007 |
| (603) 947- | landline | Plymouth | Freedom Ring Comms | 05/10/1999 |
| (603) 948- | landline | Rochester | Idt America Corp | 02/26/2008 |
| (603) 951- | landline | Milan | Level 3 Comms | 11/20/1998 |
| (603) 952- | landline | Salem | Level 3 Comms | 08/14/1998 |
| (603) 953- | landline | Dover | Choice One Comms | 08/20/2000 |
| (603) 957- | wireless | Portsmouth | Cingular Wireless | 01/22/2002 |
| (603) 960- | wireless | Campton | Bell Atlantic Nynex Mobile | 01/22/2008 |
| (603) 961- | landline | Chichester | Comcast Phone | 11/17/2009 |
| (603) 964- | landline | Rye | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 965- | landline | Derry | Choice One Comms | 08/20/2000 |
| (603) 966- | wireless | Nashua | Sprint | 02/22/2002 |
| (603) 967- | landline | Hampton | Level 3 Comms | 08/14/1998 |
| (603) 968- | landline | Ashland | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 969- | wireless | Portsmouth | Sprint | 05/20/2002 |
| (603) 970- | wireless | Dover | Cingular Wireless | 03/22/2006 |
| (603) 971- | landline | Rindge | Freedom Ring Comms | 05/10/1999 |
| (603) 973- | wireless | Rochester | Sprint | 05/20/2002 |
| (603) 974- | landline | Plaistow | Comcast Phone | 05/10/1999 |
| (603) 975- | landline | Boscawen | Comcast Phone | 11/16/2009 |
| (603) 977- | landline | Andover | Comcast Phone | 11/17/2009 |
| (603) 978- | wireless | Dover | Cingular Wireless | 03/16/2001 |
| (603) 986- | wireless | North Conway | Bell Atlantic Nynex Mobile | 04/19/2002 |
| (603) 988- | landline | Portsmouth | Sprint | 10/17/2001 |
| (603) 989- | landline | Woodsville | No New England Tel Op DBA Fairpoint Comm | 02/04/1994 |
| (603) 991- | wireless | Littleton | Bell Atlantic Nynex Mobile | 02/22/2002 |
| (603) 992- | landline | Grafton | Level 3 Comms | 11/20/1998 |
| (603) 994- | landline | Rochester | Freedom Ring Comms | 05/10/1999 |
| (603) 995- | wireless | Henniker | Sprint | 08/09/2002 |
| (603) 996- | wireless | Plymouth | Sprint | 08/09/2002 |
| (603) 997- | wireless | Hampton | Sprint | 08/09/2002 |
| (603) 998- | wireless | Laconia | Sprint | 07/08/2002 |