443 Area Code

Major City:Baltimore

Timezone:Eastern

Current Time:

History of area code 443

443 was first put in service June 1, 1997. It was created from area code 410. In 2012, area code 667 was created from 443.

Where is area code 443

Area code 443 is located in eastern Maryland and covers Baltimore, Columbia, Glen Burnie, Ellicott City, and Dundalk. It is an overlay for area code 410 and serves the same area.

What time zone is area code 443?

The 443 area code is located in the Eastern timezone. The Eastern time zone is also known as America/New_York

443 area code map

Top 16 Counties in Area Code 443

County	Total Population	% of 443	% of County
Baltimore, MD	805,029	9%	100%
Baltimore, MD	620,961	1%	100%
Anne Arundel, MD	537,656	7%	93%
Harford, MD	244,826	7%	100%
Howard, MD	287,085	3%	76%
Carroll, MD	167,134	6%	96%
Cecil, MD	101,108	6%	100%
Wicomico, MD	98,733	5%	100%
Calvert, MD	88,737	4%	92%
Queen Anne's, MD	47,798	7%	100%
Worcester, MD	51,454	8%	84%
Talbot, MD	37,782	6%	100%
Caroline, MD	33,066	4%	100%
Dorchester, MD	32,618	11%	87%
Somerset, MD	26,470	8%	100%
Kent, MD	20,197	6%	100%

Top 50 Cities in Area Code 443

City	Total Population	% of 443	% of City
Baltimore, MD	620,961	1%	100%
Columbia, MD	99,615	0%	93%
Glen Burnie, MD	67,639	0%	100%
Ellicott City, MD	65,834	0%	100%
Dundalk, MD	63,597	0%	100%
Towson, MD	55,197	0%	100%
Bel Air South, MD	47,709	0%	100%
Severn, MD	44,231	0%	100%
Catonsville, MD	41,567	0%	100%
Essex, MD	39,262	0%	100%
Annapolis, MD	38,394	0%	100%
Woodlawn, MD	37,879	0%	100%
Severna Park, MD	37,634	0%	100%
Odenton, MD	37,132	0%	100%
Randallstown, MD	32,430	0%	100%
Pikesville, MD	30,764	0%	100%
Parkville, MD	30,734	0%	100%
Owings Mills, MD	30,622	0%	100%
Bel Air North, MD	30,568	0%	100%
Eldersburg, MD	30,531	1%	100%
Salisbury, MD	30,343	0%	100%
Carney, MD	29,941	0%	100%
Milford Mill, MD	29,042	0%	100%
Perry Hall, MD	28,474	0%	100%
Crofton, MD	27,348	0%	100%
Reisterstown, MD	25,968	0%	100%
Edgewood, MD	25,562	0%	100%
Lochearn, MD	25,333	0%	100%
Middle River, MD	25,191	0%	100%
Pasadena, MD	24,287	0%	100%
Ilchester, MD	23,476	0%	100%
Arnold, MD	23,106	0%	100%
Cockeysville, MD	20,776	0%	100%
Arbutus, MD	20,483	0%	100%
Lake Shore, MD	19,477	0%	100%
Rosedale, MD	19,257	0%	100%
Westminster, MD	18,590	0%	100%
Ferndale, MD	16,746	0%	100%
Easton, MD	15,945	0%	100%
Parole, MD	15,922	0%	100%
Elkridge, MD	15,593	0%	100%
Elkton, MD	15,443	0%	100%
Rossville, MD	15,147	0%	100%
Aberdeen, MD	14,959	0%	100%
Brooklyn Park, MD	14,373	0%	100%
Havre de Grace, MD	12,952	0%	100%
Riviera Beach, MD	12,677	0%	100%
Joppatowne, MD	12,616	0%	100%
Cambridge, MD	12,326	0%	100%
Overlea, MD	12,275	0%	100%

Largest Landline Carriers in area code443

Prefixes	Carrier
7%	Verizon
7%	Cavalier Telephone Mid-atlantic
6%	Global Crossing Local Services
5%	Xo
5%	Teleport America
4%	Ctc
3%	Us Lec
26%	Other

Largest Wireless Carriers in area code443

Prefixes	Carrier
14%	Verizon Wireless
9%	Sprint
6%	Cingular
4%	Omnipoint Cap Operations
2%	Cricket Comm
1%	Omnipoint Enterprises
1%	Local Access
1%	Other

Prefixes in area code443

Prefix	Usage	Primary City	Carrier	Introduced
(443) 200-	landline	Baltimore	Allegiance Telecom	02/21/2001
(443) 201-	wireless	Westminster	Verizon Wireless	12/01/2011
(443) 202-	wireless	Baltimore	Verizon Wireless	01/09/2012
(443) 203-	landline	West River		03/03/2001
(443) 204-	wireless	Pikesville	Cingular Wireless	05/15/2003
(443) 205-	wireless	Cambridge	Sprint	01/20/2004
(443) 206-	wireless	Perryville	Verizon Wireless	01/14/2000
(443) 207-	wireless	Elkton	Omnipoint Comms Enterprises,	08/14/1998
(443) 208-	landline	Essex	Sprint	02/01/2011
(443) 209-	landline	Havre De Grace	Cavalier Telephone (mid-atlantic)	02/27/1999
(443) 210-	landline	Aberdeen	Sprint	09/30/2011
(443) 212-	landline	Sparks Glencoe	Us Lec	08/14/1998
(443) 213-	landline	Baltimore		05/18/1998
(443) 214-	landline	Annapolis	Cingular Wireless	10/11/2011
(443) 215-	landline	Chestertown	Core Comms	01/14/2000
(443) 216-	landline	Dundalk	Cavalier Telephone Mid-atlantic	10/13/1999
(443) 217-	landline	Annapolis	Core Comms	01/14/2000
(443) 218-	landline	Reisterstown	Global Crossing Local Services	07/22/1999
(443) 219-	landline	Baltimore	Level 3 Comms	05/18/1998
(443) 220-	landline	Baltimore		11/20/1998
(443) 221-	landline	Annapolis	Level 3 Comms	08/20/2000
(443) 222-	landline	Reisterstown	Xo Maryland	01/14/2000
(443) 223-	wireless	Annapolis	Verizon Wireless	10/13/1999
(443) 224-	landline	Baltimore	Mci Worldcom Comms	05/10/1999
(443) 225-	landline	Cambridge	Sprint	01/20/2004
(443) 226-	wireless	Baltimore	Sprint	08/14/1998
(443) 227-	landline	Port Deposit	Ctc Comms Corp.	01/14/2000
(443) 228-	landline	Middle River	Us Lec	06/30/2001
(443) 229-	landline	Severna Park	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 230-	landline	Odenton	Ctc Comms Corp.	01/14/2000
(443) 231-	landline	Baltimore	AT&T Local	08/14/1998
(443) 232-	landline	Willards	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 233-	landline	Mardela Springs	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 234-	landline	Snow Hill	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 235-	wireless	Salisbury	Verizon Wireless	10/13/1999
(443) 236-	landline	Cardiff	Core Comms	01/14/2000
(443) 237-	landline	North Beach	Core Comms	01/14/2000
(443) 238-	landline	Parkton	Ctc Comms Corp.	01/14/2000
(443) 239-	wireless	Easton	Cingular Wireless	01/20/2004
(443) 240-	wireless	Baltimore	Cingular Wireless	01/27/2012
(443) 241-	landline	Westminster	Global Naps South	01/14/2000
(443) 242-	landline	Sparrows Point	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 243-	wireless	Fallston	Verizon Wireless	10/13/1999
(443) 244-	landline	Westminster	Level 3 Comms	10/13/1999
(443) 245-	landline	Elkton	Cavalier Telephone (mid-atlantic)	02/27/1999
(443) 246-	landline	Elkton	Core Comms	01/14/2000
(443) 247-	landline	Union Bridge	Ctc Comms Corp.	01/14/2000
(443) 248-	wireless	Catonsville	Verizon Wireless	01/15/2007
(443) 249-	landline	Stevensville		07/22/1999
(443) 250-	wireless	Baltimore	Sprint	08/14/1998
(443) 251-	wireless	Chestertown	Local Access	08/16/2013
(443) 252-	wireless	Perryville	Verizon Wireless	09/08/2009
(443) 253-	wireless	Baltimore	Cingular Wireless	08/14/1998
(443) 254-	wireless	Annapolis	Omnipoint Comms Cap Operations	06/13/2000
(443) 255-	wireless	Baltimore	Cingular Wireless	07/22/1999
(443) 256-	landline	North East	Ctc Comms Corp.	01/14/2000
(443) 257-	wireless	Baltimore	Verizon Wireless	08/14/1998
(443) 258-	wireless	Easton	Cingular Wireless	07/22/1999
(443) 259-	landline	Columbia		08/14/1998
(443) 260-	landline	Salisbury		07/22/1999
(443) 261-	landline	Severna Park	Mci Worldcom Comms	06/13/2000
(443) 262-	landline	Centreville		01/14/2000
(443) 263-	landline	Baltimore		07/22/1999
(443) 264-	landline	Pikesville	Xo Maryland	01/14/2000
(443) 265-	landline	Fork	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 266-	landline	Glenwood	Global Crossing Local Services	07/22/1999
(443) 267-	landline	Darlington	Teleport Comms America	02/27/1999
(443) 268-	landline	Baltimore	Core Comms	01/14/2000
(443) 269-	landline	Towson	Xo Maryland	01/14/2000
(443) 270-	landline	Baltimore	Paetec Comms	10/13/1999
(443) 271-	wireless	Baltimore	Sprint	10/21/2002
(443) 272-	landline	Baltimore	Teleport Comms America	08/14/1998
(443) 273-	landline	Reisterstown	Teleport Comms America	08/14/1998
(443) 274-	landline	Severn		10/13/1999
(443) 275-	landline	Baltimore	Comcast Phone Of Northern Maryland	05/18/1998
(443) 276-	landline	Baltimore	Allegiance Telecom	06/13/2000
(443) 277-	wireless	Sykesville	Sprint	07/22/1999
(443) 278-	landline	Baltimore	Vdl DBA Global Telecom Brokers	10/02/2003
(443) 279-	landline	Baltimore	Allegiance Telecom	10/13/1999
(443) 280-	wireless	Sykesville	Cingular Wireless	08/14/1998
(443) 281-	landline	Baltimore	Allegiance Telecom	06/13/2000
(443) 282-	wireless	Chestertown	Sprint	10/04/2004
(443) 283-	landline	Baltimore	Paetec Comms	10/13/1999
(443) 284-	landline	Jessup	Xo Maryland	01/14/2000
(443) 285-	landline	Columbia		10/13/1999
(443) 286-	wireless	Baltimore	Verizon Wireless	08/14/1998
(443) 287-	landline	Baltimore		07/22/1999
(443) 288-	landline	Baltimore	Allegiance Telecom	06/13/2000
(443) 289-	landline	Westminster	Mci Worldcom Comms	05/16/2011
(443) 290-	landline	Parkville	Tw Telecom	10/13/1999
(443) 291-	landline	Hampstead	Global Crossing Local Services	07/22/1999
(443) 292-	landline	Laurel	Level 3 Comms	10/13/1999
(443) 293-	landline	Westminster	Global Crossing Local Services	07/22/1999
(443) 294-	landline	West River	Global Crossing Local Services	07/22/1999
(443) 295-	landline	Prince Frederick	Level 3 Comms	10/13/1999
(443) 296-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 297-	landline	Arbutus	Teleport Comms America	08/14/1998
(443) 298-	wireless	Easton	Cingular Wireless	11/15/2002
(443) 299-	landline	Fallston	Global Crossing Local Services	07/22/1999
(443) 300-	landline	Sykesville	Broadwing Comms.	08/20/2000
(443) 301-	wireless	Baltimore	Cingular Wireless	04/05/2012
(443) 302-	landline	Crofton	Global Crossing Local Services	07/22/1999
(443) 303-	landline	Aberdeen	Global Crossing Local Services	07/22/1999
(443) 304-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 305-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 306-	wireless	Baltimore	Sprint	08/14/1998
(443) 307-	landline	Bel Air	Global Crossing Local Services	07/22/1999
(443) 308-	landline	Baltimore	Allegiance Telecom	06/13/2000
(443) 309-	wireless	Elkton	Sprint	11/20/1998
(443) 310-	wireless	Baltimore	Cingular Wireless	10/31/2000
(443) 312-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 313-	landline	Fork	Global Crossing Local Services	07/22/1999
(443) 314-	wireless	Baltimore	Sprint	02/01/2011
(443) 315-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 316-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 317-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 318-	landline	Cockeysville	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 319-	landline	Columbia	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 320-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 321-	landline	Annapolis	Paetec Comms	06/13/2000
(443) 322-	landline	Towson	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 323-	landline	Rhodesdale	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 324-	wireless	Baltimore	Sprint	07/22/1999
(443) 325-	landline	Ellicott City	Cavalier Telephone Mid-atlantic	11/20/1998
(443) 326-	wireless	Baltimore	Cingular Wireless	02/21/2001
(443) 327-	landline	Aberdeen	Cavalier Telephone Mid-atlantic	03/03/2001
(443) 328-	landline	Sykesville	Ctc Comms Corp.	01/14/2000
(443) 329-	landline	Jessup	Global Crossing Local Services	02/27/1999
(443) 330-	landline	Baltimore	Cavalier Telephone Mid-atlantic	05/18/1998
(443) 331-	landline	Taneytown	Ctc Comms Corp.	01/14/2000
(443) 332-	landline	Crofton	Cavalier Telephone Mid-atlantic	05/09/2001
(443) 333-	wireless	Annapolis	Leap Wireless Intl DBA Cricket Comm	02/13/2009
(443) 334-	landline	Towson	Allegiance Telecom	03/14/2001
(443) 335-	landline	Brooklyn	Xo Maryland	01/14/2000
(443) 336-	wireless	Annapolis	Sprint	05/10/1999
(443) 337-	landline	Sparrows Point	Xo Maryland	01/14/2000
(443) 338-	landline	Sparks Glencoe	Ctc Comms Corp.	01/14/2000
(443) 339-	landline	Sherwood Forest	Ctc Comms Corp.	01/14/2000
(443) 340-	wireless	Westminster	Verizon Wireless	10/13/1999
(443) 341-	landline	Baltimore	Level 3 Comms	05/18/1998
(443) 342-	landline	Solomons	Ctc Comms Corp.	01/14/2000
(443) 343-	landline	Millersville	Teleport Comms America	02/27/1999
(443) 344-	landline	Severna Park	Core Comms	01/14/2000
(443) 345-	landline	Aberdeen	Level 3 Comms	10/13/1999
(443) 346-	landline	Severna Park	Xo Maryland	01/14/2000
(443) 347-	landline	Cardiff	Ctc Comms Corp.	01/14/2000
(443) 348-	landline	Baltimore	Teleport Comms America	08/14/1998
(443) 349-	landline	Westminster	Core Comms	01/14/2000
(443) 350-	wireless	Elkton	Verizon Wireless	08/20/2000
(443) 351-	landline	Columbia	Us Lec	06/13/2000
(443) 352-	landline	Baltimore	AT&T Local	11/20/1998
(443) 353-	landline	Cockeysville		03/19/2004
(443) 354-	landline	Baltimore	Level 3 Comms	07/22/1999
(443) 355-	landline	Baltimore	Level 3 Comms	07/22/1999
(443) 356-	landline	Bel Air	Level 3 Comms	07/22/1999
(443) 357-	landline	Pikesville		10/13/1999
(443) 358-	landline	Salisbury	Ymax Comms Corp.	02/17/2011
(443) 359-	wireless	Delmar	Verizon Wireless	06/13/2000
(443) 360-	landline	Aberdeen	Teleport Comms America	08/14/1998
(443) 361-	landline	Sykesville	Core Comms	01/14/2000
(443) 362-	wireless	Easton	Omnipoint Comms Cap Operations	06/13/2000
(443) 363-	landline	Severn	Xo Maryland	01/14/2000
(443) 364-	landline	Baltimore	Teleport Comms America	08/14/1998
(443) 365-	wireless	Salisbury	Omnipoint Comms Cap Operations	06/13/2000
(443) 366-	wireless	Salisbury	Sprint	04/17/2001
(443) 367-	landline	Columbia		06/13/2000
(443) 368-	landline	Westminster	Core Comms	01/14/2000
(443) 369-	landline	Bel Air	Core Comms	01/14/2000
(443) 370-	landline	Annapolis	Cingular Wireless	10/31/2000
(443) 371-	landline	Bel Air	Broadwing Comms.	10/31/2000
(443) 372-	landline	Edgewood	Us Lec	03/19/2001
(443) 373-	wireless	Ocean City	Sprint	10/31/2000
(443) 374-	landline	Aberdeen	Cavalier Telephone (mid-atlantic)	02/27/1999
(443) 375-	wireless	Hampstead	Sprint	08/20/2000
(443) 376-	landline	Baltimore	Teleport Comms America	08/14/1998
(443) 377-	wireless	Towson	Verizon Wireless	06/09/2010
(443) 378-	wireless	Baltimore	Sprint	07/27/2004
(443) 379-	landline	Pikesville	Comcast Phone Of Northern Maryland	02/23/2007
(443) 380-	landline	Baltimore	Level 3 Comms	05/18/1998
(443) 381-	landline	Reisterstown	Xo Maryland	01/14/2000
(443) 382-	landline	Cambridge	Core Comms	01/14/2000
(443) 383-	landline	Westminster	Ctc Comms Corp.	01/14/2000
(443) 384-	landline	Parkville	Cavalier Telephone Mid-atlantic	10/13/1999
(443) 385-	landline	Easton	Core Comms	01/14/2000
(443) 386-	wireless	Baltimore	Verizon Wireless	02/27/1999
(443) 387-	landline	Pocomoke	Core Comms	01/14/2000
(443) 388-	wireless	Baltimore	Verizon Wireless	04/13/2006
(443) 389-	landline	Salisbury	Core Comms	01/14/2000
(443) 390-	landline	Churchville	Global Crossing Local Services	07/22/1999
(443) 391-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 392-	landline	Baltimore	AT&T Local	05/10/1999
(443) 393-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 394-	landline	Pikesville		11/20/1998
(443) 395-	landline	Aberdeen		08/13/2009
(443) 396-	landline	Odenton	Global Crossing Local Services	07/22/1999
(443) 397-	wireless	Salisbury	Verizon Wireless	04/06/2009
(443) 398-	wireless	Sykesville	Sprint	03/15/2001
(443) 399-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 400-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 401-	wireless	Baltimore	Verizon Wireless	10/17/2011
(443) 402-	landline	Edgewood	Teleport Comms America	02/27/1999
(443) 403-	landline	Aberdeen	Broadwing Comms.	06/20/2001
(443) 404-	wireless	Solomons	Sprint	10/31/2000
(443) 405-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 406-	landline	Elkton	Teleport Comms America	02/27/1999
(443) 407-	landline	Baltimore	Allegiance Telecom	06/13/2000
(443) 408-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 409-	landline	Edgewood	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 410-	landline	Baltimore	Centurylink Comms	06/21/2013
(443) 412-	landline	Churchville	Teleport Comms America	02/27/1999
(443) 413-	wireless	Baltimore	Sprint	05/10/1999
(443) 414-	wireless	Baltimore	Sprint	05/10/1999
(443) 415-	wireless	Baltimore	Sprint	05/10/1999
(443) 416-	wireless	Baltimore	Sprint	05/10/1999
(443) 417-	landline	Fallston	Teleport Comms America	02/27/1999
(443) 418-	wireless	Baltimore	Sprint	05/10/1999
(443) 419-	landline	Glenwood	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 420-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 421-	wireless	Fork	Cingular Wireless	08/14/1998
(443) 422-	wireless	Glen Burnie	Leap Wireless Intl DBA Cricket Comm	02/13/2009
(443) 423-	landline	Baltimore	Broadwing Comms.	10/13/1999
(443) 424-	landline	Cardiff	Teleport Comms America	02/27/1999
(443) 425-	landline	Baltimore	AT&T Local	08/14/1998
(443) 426-	landline	Baltimore	Paetec Comms	06/30/2001
(443) 427-	landline	Princess Anne	Core Comms	01/14/2000
(443) 428-	landline	Cockeysville	Core Comms	01/14/2000
(443) 429-	landline	Woodlawn	Cavalier Telephone Mid-atlantic	10/13/1999
(443) 430-	landline	Baltimore	Xo Maryland	05/18/2001
(443) 431-	landline	Randallstown	Xo Maryland	01/14/2000
(443) 432-	landline	Prince Frederick	Ctc Comms Corp.	01/14/2000
(443) 433-	landline	Annapolis	Xo Maryland	02/21/2001
(443) 434-	landline	Federalsburg	Comcast Phone Of Northern Maryland	11/01/2004
(443) 435-	wireless	Baltimore	Sprint	02/01/2011
(443) 436-	landline	Woodlawn		11/20/1998
(443) 437-	landline	Pocomoke	Teleport Comms America	11/01/2004
(443) 438-	wireless	Baltimore	Verizon Wireless	10/08/2008
(443) 439-	landline	Trappe	Verizon Wireless	11/01/2004
(443) 440-	landline	Annapolis		03/03/2001
(443) 441-	landline	Glenwood	Teleport Comms America	02/27/1999
(443) 442-	landline	Parkville	Cavalier Telephone Mid-atlantic	05/09/2001
(443) 444-	landline	Baltimore		10/13/2005
(443) 445-	landline	Elkridge		06/30/2001
(443) 446-	landline	Queenstown	Mci Worldcom Comms	11/01/2004
(443) 447-	wireless	Baltimore	Leap Wireless Intl DBA Cricket Comm	12/15/2008
(443) 448-	landline	Denton	Comcast Phone Of Northern Maryland	11/01/2004
(443) 449-	landline	Baltimore	Broadview Networks	03/28/2007
(443) 450-	landline	Baltimore	Level 3 Comms	05/10/1999
(443) 451-	landline	Baltimore	Paetec Comms	10/13/1999
(443) 452-	landline	Baltimore	Us Lec	09/07/2005
(443) 453-	landline	Baltimore	Neutral Tandem	10/12/2007
(443) 454-	wireless	Annapolis	Omnipoint Comms Cap Operations	03/03/2001
(443) 455-	landline	Baltimore		03/09/2006
(443) 456-	landline	Edgewood	AT&T Local	03/03/2001
(443) 457-	landline	Baltimore	Teleport Comms America	08/14/1998
(443) 458-	landline	Annapolis	Allegiance Telecom	03/03/2001
(443) 459-	landline	Baltimore	Paetec Comms	03/03/2001
(443) 460-	landline	Baltimore	Allegiance Telecom	06/13/2000
(443) 461-	landline	Parkville	Us Lec	06/13/2000
(443) 462-	wireless	Baltimore	Verizon Wireless	11/06/2008
(443) 463-	wireless	Baltimore	Sprint	02/27/1999
(443) 464-	landline	Churchville	Broadview Networks	03/16/2010
(443) 465-	wireless	Towson	Verizon Wireless	06/13/2000
(443) 466-	wireless	Elkton	Sprint	05/10/1999
(443) 467-	wireless	Baltimore	Leap Wireless Intl DBA Cricket Comm	03/20/2009
(443) 468-	wireless	Baltimore	Sprint	04/04/2007
(443) 469-	wireless	Baltimore	Leap Wireless Intl DBA Cricket Comm	03/20/2009
(443) 470-	landline	Towson	Us Lec	04/29/2008
(443) 471-	landline	Columbia	Us Lec	06/13/2000
(443) 472-	landline	Baltimore	Level 3 Comms	01/14/2000
(443) 473-	wireless	Baltimore	Sprint	03/28/2007
(443) 474-	wireless	Catonsville	Cingular Wireless	02/27/1999
(443) 475-	landline	Baltimore	Mci Worldcom Comms	06/01/2011
(443) 476-	wireless	Annapolis		11/20/1998
(443) 477-	wireless	Cambridge	Verizon Wireless	01/13/2007
(443) 478-	wireless	Baltimore	Verizon Wireless	03/06/2009
(443) 479-	landline	Laurel		11/20/1998
(443) 480-	wireless	Chestertown	Verizon Wireless	08/20/2000
(443) 481-	landline	Annapolis	Us Lec	06/30/2001
(443) 482-	landline	Annapolis		11/20/1998
(443) 483-	landline	Cardiff	Broadwing Comms.	08/20/2000
(443) 484-	landline	Edgewood	Broadwing Comms.	08/20/2000
(443) 485-	landline	Elkton	Broadwing Comms.	08/20/2000
(443) 486-	landline	Prince Frederick	Broadwing Comms.	08/20/2000
(443) 487-	landline	Westminster	Broadwing Comms.	08/20/2000
(443) 488-	wireless	Baltimore	Leap Wireless Intl DBA Cricket Comm	06/23/2010
(443) 489-	landline	Baltimore	Teleport Comms America	02/27/1999
(443) 490-	landline	Edgewood	Global Crossing Local Services	07/22/1999
(443) 491-	landline	Parkton	Global Crossing Local Services	07/22/1999
(443) 492-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 493-	wireless	Delmar	Verizon Wireless	03/06/2009
(443) 494-	landline	Millersville	Global Crossing Local Services	07/22/1999
(443) 495-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 496-	wireless	Easton	Sprint	08/14/1998
(443) 497-	wireless	Salisbury	Sprint	08/14/1998
(443) 498-	landline	Baltimore	Allegiance Telecom	06/13/2000
(443) 499-	landline	Jarrettsville	Global Crossing Local Services	07/22/1999
(443) 500-	wireless	Baltimore	Leap Wireless Intl DBA Cricket Comm	03/20/2009
(443) 501-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 502-	landline	Havre De Grace	Teleport Comms America	02/27/1999
(443) 503-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 504-	landline	Fallston	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 505-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 506-	wireless	Baltimore	Sprint	06/13/2000
(443) 507-	landline	Hampstead	Teleport Comms America	02/27/1999
(443) 508-	landline	Hampstead	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 509-	wireless	Baltimore	Verizon Wireless	02/10/2009
(443) 510-	wireless	Annapolis	Verizon Wireless	12/04/2007
(443) 512-	landline	Edgewood		07/22/1999
(443) 513-	wireless	Berlin	Cingular Wireless	10/31/2000
(443) 514-	landline	Columbia	Us Lec	06/13/2000
(443) 515-	wireless	Cambridge	Verizon Wireless	06/08/2009
(443) 516-	landline	Sykesville	Global Crossing Local Services	07/22/1999
(443) 517-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 518-	landline	Columbia		12/16/2008
(443) 519-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 520-	wireless	Catonsville	Cingular Wireless	02/27/1999
(443) 521-	wireless	Cambridge	Verizon Wireless	01/14/2000
(443) 522-	landline	Reisterstown	Paetec Comms	06/30/2001
(443) 523-	landline	Salisbury		08/20/2000
(443) 524-	landline	Baltimore	Allegiance Telecom	10/13/1999
(443) 525-	wireless	Baltimore	Leap Wireless Intl DBA Cricket Comm	03/20/2009
(443) 526-	landline	Havre De Grace	Ctc Comms Corp.	01/14/2000
(443) 527-	wireless	Baltimore	Omnipoint Comms Cap Operations	03/19/2001
(443) 528-	wireless	Bel Air	Sprint	08/20/2000
(443) 529-	wireless	Baltimore	Omnipoint Comms Cap Operations	07/22/2008
(443) 530-	landline	Baltimore	Paetec Comms	06/30/2001
(443) 531-	wireless	Baltimore	Leap Wireless Intl DBA Cricket Comm	03/20/2009
(443) 532-	wireless	Prince Frederick	Sprint	08/20/2000
(443) 533-	landline	Jarrettsville	Teleport Comms America	02/27/1999
(443) 534-	landline	Annapolis	Verizon Wireless	01/15/2001
(443) 535-	landline	Columbia		02/27/1999
(443) 536-	wireless	Westminster	Sprint	08/20/2000
(443) 537-	landline	Columbia		05/22/2009
(443) 538-	wireless	Columbia	Omnipoint Comms Cap Operations	06/20/2001
(443) 539-	landline	Columbia	Us Lec	01/14/2000
(443) 540-	wireless	Baltimore	Cingular Wireless	03/03/2001
(443) 541-	landline	Baltimore	Paetec Comms	10/13/1999
(443) 542-	landline	Columbia	Comcast Phone Of Northern Maryland	06/30/2001
(443) 543-	landline	Arbutus		05/10/1999
(443) 544-	landline	Pikesville	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 545-	landline	Columbia	Broadwing Comms.	05/18/2001
(443) 546-	landline	Baltimore		05/18/1998
(443) 547-	wireless	Westminster	Verizon Wireless	05/07/2009
(443) 548-	landline	Baltimore	Allegiance Telecom	10/13/1999
(443) 549-	landline	Dundalk	Us Lec	01/14/2000
(443) 550-	landline	North Beach	Level 3 Comms	06/30/2001
(443) 551-	landline	Baltimore	Level 3 Comms	01/14/2000
(443) 552-	landline	Baltimore		06/13/2000
(443) 553-	wireless	Elkton	Verizon Wireless	05/10/1999
(443) 554-	wireless	Middle River	Omnipoint Comms Cap Operations	07/23/2001
(443) 556-	landline	Cockeysville		08/14/1998
(443) 557-	landline	Baltimore	Allegiance Telecom	06/13/2000
(443) 558-	landline	Aberdeen	Xo Maryland	01/15/2001
(443) 559-	landline	Essex	Comcast Phone Of Northern Maryland	06/30/2001
(443) 560-	wireless	Baltimore	Sprint	07/18/2011
(443) 561-	landline	Columbia	Us Lec	01/14/2000
(443) 562-	wireless	Baltimore	Cingular Wireless	01/14/2000
(443) 563-	wireless	Baltimore	Sprint	11/14/2006
(443) 564-	landline	Baltimore	Level 3 Comms	10/13/1999
(443) 565-	landline	Randallstown	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 566-	wireless	Chesapeake City	Verizon Wireless	09/16/2004
(443) 567-	landline	Bel Air	Level 3 Comms	10/13/1999
(443) 568-	landline	Arbutus	Allegiance Telecom	06/13/2000
(443) 569-	landline	Annapolis	Level 3 Comms	10/13/1999
(443) 570-	wireless	Baltimore	Omnipoint Comms Cap Operations	06/13/2000
(443) 571-	wireless	Baltimore	Verizon Wireless	12/06/2011
(443) 572-	landline	Glen Burnie		05/18/1998
(443) 573-	landline	Columbia	Us Lec	01/14/2000
(443) 574-	landline	Ellicott City	Us Lec	01/14/2000
(443) 575-	landline	Arbutus	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 576-	landline	Baltimore	Allegiance Telecom	02/21/2001
(443) 577-	landline	Columbia	Us Lec	06/13/2000
(443) 578-	landline	Baltimore	Xo Maryland	06/30/2001
(443) 579-	landline	Essex	Us Lec	01/14/2000
(443) 580-	wireless	Baltimore	Sprint	08/25/2011
(443) 581-	landline	Middle River	Xo Maryland	01/14/2000
(443) 582-	landline	Churchville	Ctc Comms Corp.	01/14/2000
(443) 583-	landline	Columbia	Ctc Comms Corp.	01/14/2000
(443) 584-	landline	Crofton	Ctc Comms Corp.	01/14/2000
(443) 585-	landline	Darlington	Ctc Comms Corp.	01/14/2000
(443) 586-	landline	Dundalk	Xo Maryland	01/14/2000
(443) 587-	landline	Edgewood	Ctc Comms Corp.	01/14/2000
(443) 588-	landline	Baltimore	Allegiance Telecom	10/13/1999
(443) 589-	landline	Cockeysville	Us Lec	03/03/2001
(443) 590-	landline	Reisterstown	Global Crossing Local Services	07/22/1999
(443) 591-	wireless	Glen Burnie	Verizon Wireless	05/07/2009
(443) 592-	landline	Elkridge	Xo Maryland	01/14/2000
(443) 593-	landline	Elkton	Ctc Comms Corp.	01/14/2000
(443) 594-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 595-	landline	Sparks Glencoe	Global Crossing Local Services	07/22/1999
(443) 596-	landline	Essex	Xo Maryland	01/14/2000
(443) 597-	landline	Severna Park	Global Crossing Local Services	07/22/1999
(443) 598-	landline	Sherwood Forest	Global Crossing Local Services	07/22/1999
(443) 599-	landline	Baltimore	Global Crossing Local Services	07/22/1999
(443) 600-	wireless	Essex	Omnipoint Comms Cap Operations	07/23/2001
(443) 601-	landline	Fallston	Ctc Comms Corp.	01/14/2000
(443) 602-	wireless	Catonsville	Verizon Wireless	02/15/2007
(443) 603-	landline	Annapolis	Paetec Comms	05/18/1998
(443) 604-	wireless	Baltimore	Verizon Wireless	02/27/1999
(443) 605-	landline	Westminster	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 606-	landline	Fork	Ctc Comms Corp.	01/14/2000
(443) 607-	landline	West River	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 608-	wireless	Towson	Leap Wireless Intl DBA Cricket Comm	02/27/2009
(443) 609-	landline	Sykesville	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 610-	wireless	Baltimore	Verizon Wireless	10/13/1999
(443) 612-	landline	Catonsville		08/14/1998
(443) 613-	wireless	Towson	Leap Wireless Intl DBA Cricket Comm	02/27/2009
(443) 614-	wireless	Salisbury	Verizon Wireless	07/23/2001
(443) 615-	wireless	Catonsville	Verizon Wireless	05/10/2007
(443) 616-	landline	Bel Air	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 617-	wireless	Fallston	Verizon Wireless	04/11/2005
(443) 618-	wireless	Glen Burnie	Verizon Wireless	06/13/2000
(443) 619-	wireless	Bel Air	Verizon Wireless	06/05/2009
(443) 620-	landline	Baltimore	Teleport Comms America	08/14/1998
(443) 621-	wireless	Baltimore	Sprint	02/27/1999
(443) 622-	wireless	Baltimore	Sprint	02/27/1999
(443) 623-	wireless	Glen Burnie	Sprint	08/20/2002
(443) 624-	wireless	Prince Frederick	Verizon Wireless	03/06/2002
(443) 625-	landline	Fork	Broadwing Comms.	02/21/2001
(443) 626-	landline	Middle River	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 627-	landline	Baltimore		09/26/2006
(443) 628-	landline	Glen Burnie	Xo Maryland	01/14/2000
(443) 629-	wireless	Baltimore	Sprint	08/14/1998
(443) 630-	wireless	Baltimore	Verizon Wireless	05/08/2008
(443) 631-	wireless	Catonsville	Cingular Wireless	08/16/2005
(443) 632-	landline	Towson	Us Lec	01/14/2000
(443) 633-	wireless	Baltimore	Sprint	07/18/2011
(443) 634-	landline	Odenton		11/09/2011
(443) 635-	wireless	Baltimore	Leap Wireless Intl DBA Cricket Comm	10/14/2009
(443) 636-	landline	Catonsville	Omnipoint Comms Cap Operations	06/25/2005
(443) 637-	landline	Baltimore	Xo Maryland	02/21/2001
(443) 638-	landline	Ellicott City	Global Naps South	01/14/2000
(443) 639-	landline	Hampstead	Ctc Comms Corp.	01/14/2000
(443) 640-	landline	Bel Air	Us Lec	05/18/2001
(443) 641-	landline	Pikesville	Broadwing Comms.	05/18/2001
(443) 642-	wireless	Baltimore	Verizon Wireless	11/08/2006
(443) 643-	landline	Bel Air		10/13/1999
(443) 644-	landline	Jarrettsville	Ctc Comms Corp.	01/14/2000
(443) 645-	landline	Millersville	Ctc Comms Corp.	01/14/2000
(443) 646-	landline	North Beach	Ctc Comms Corp.	01/14/2000
(443) 647-	landline	New Windsor	Ctc Comms Corp.	01/14/2000
(443) 648-	landline	Baltimore	Teleport Comms America	08/14/1998
(443) 649-	landline	Sparrows Point	Us Lec	06/20/2001
(443) 650-	landline	Reisterstown	Allegiance Telecom	02/20/2001
(443) 651-	wireless	Baltimore	Verizon Wireless	07/08/2011
(443) 652-	landline	Towson		05/28/2002
(443) 653-	wireless	Baltimore	Omnipoint Comms Cap Operations	05/18/2001
(443) 654-	landline	Jessup		08/28/2008
(443) 655-	wireless	Bel Air	Cingular Wireless	10/13/1999
(443) 656-	landline	Columbia	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 657-	landline	Randallstown	Tw Telecom	10/13/1999
(443) 658-	landline	Woodlawn	Global Naps South	01/14/2000
(443) 659-	landline	West River	Global Naps South	01/14/2000
(443) 660-	landline	Baltimore	Comcast Phone Of Northern Maryland	06/30/2001
(443) 661-	landline	Jessup	Cavalier Telephone Mid-atlantic	10/13/1999
(443) 662-	landline	Sparks Glencoe	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 663-	landline	Woodlawn		06/30/2001
(443) 664-	landline	Ocean City	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 665-	landline	Nanticoke	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 666-	wireless	Chestertown	Level 3 Comms	05/23/2012
(443) 668-	wireless	Catonsville	Cingular Wireless	01/15/2001
(443) 669-	landline	Delmar	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 670-	landline	Catonsville	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 671-	landline	New Windsor	Teleport Comms America	02/27/1999
(443) 672-	landline	Parkton	Teleport Comms America	02/27/1999
(443) 673-	landline	Brooklyn	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 674-	landline	North East	Teleport Comms America	02/27/1999
(443) 675-	landline	Randallstown	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 676-	wireless	Baltimore	Cingular Wireless	06/20/2001
(443) 677-	wireless	Baltimore	Sprint	03/15/2001
(443) 678-	landline	Parkville		08/20/2000
(443) 679-	landline	Baltimore	Teleport Comms America	08/14/1998
(443) 680-	wireless	Baltimore	Sprint	09/27/2010
(443) 681-	wireless	Baltimore	Verizon Wireless	06/05/2009
(443) 682-	landline	Baltimore	Verizon Wireless	12/19/2006
(443) 683-	wireless	Baltimore	Verizon Wireless	04/09/2007
(443) 684-	wireless	Prince Frederick	Verizon Wireless	10/08/2008
(443) 685-	landline	Severn	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 686-	wireless	Fallston	Sprint	05/10/2005
(443) 687-	wireless	Baltimore	Verizon Wireless	09/08/2009
(443) 688-	landline	Severn	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 689-	landline	Cockeysville	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 690-	wireless	Baltimore	Verizon Wireless	06/13/2000
(443) 691-	wireless	Baltimore	Cingular Wireless	01/15/2001
(443) 692-	landline	Baltimore	Allegiance Telecom	06/13/2000
(443) 693-	landline	Perryville	Teleport Comms America	02/27/1999
(443) 694-	wireless	Severna Park	Sprint	04/20/2001
(443) 695-	wireless	Baltimore	Verizon Wireless	01/14/2000
(443) 696-	landline	Dundalk	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 697-	landline	Catonsville	Global Naps South	01/14/2000
(443) 698-	landline	Odenton	Teleport Comms America	08/14/1998
(443) 699-	wireless	Annapolis	Verizon Wireless	08/10/2011
(443) 701-	landline	Arbutus	Xo Maryland	10/31/2000
(443) 702-	landline	Pasadena	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 703-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 704-	landline	Odenton	Cavalier Telephone Mid-atlantic	05/10/2001
(443) 705-	landline	Cockeysville	Xo Maryland	01/14/2000
(443) 706-	landline	Crisfield	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 707-	wireless		Local Access	06/11/2014
(443) 708-	landline	Baltimore	Tw Telecom	08/20/2000
(443) 709-	landline	Arbutus	Cavalier Telephone Mid-atlantic	10/13/1999
(443) 710-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 712-	landline	Reisterstown	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 713-	wireless	Columbia	Peerless Network	09/19/2012
(443) 714-	landline	Columbia	Sprint	09/30/2011
(443) 715-	landline	North East	Cavalier Telephone (mid-atlantic)	02/27/1999
(443) 716-	landline	Annapolis	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 717-	wireless	Baltimore	Verizon Wireless	09/14/2005
(443) 718-	landline	Columbia	Us Lec	03/05/2008
(443) 719-	landline	Jarrettsville	Cavalier Telephone Mid-atlantic	10/31/2000
(443) 720-	landline	Elkton	Xo Maryland	11/27/2012
(443) 721-	wireless	Baltimore	Verizon Wireless	07/06/2009
(443) 722-	wireless	Baltimore	Omnipoint Comms Cap Operations	03/09/2001
(443) 723-	landline	Brooklyn	Sprint	10/06/2011
(443) 724-	landline	Easton	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 725-	landline	Baltimore	Paetec Comms	01/14/2000
(443) 726-	landline	Towson	Sprint	10/06/2011
(443) 727-	landline	Bishopville	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 728-	landline	Berlin	Cavalier Telephone (mid-atlantic)	11/20/1998
(443) 729-	landline	Baltimore	Paetec Comms	01/14/2000
(443) 730-	landline	Baltimore	Paetec Comms	01/14/2000
(443) 731-	landline	Port Deposit	Teleport Comms America	02/27/1999
(443) 732-	landline	Westminster	Teleport Comms America	02/27/1999
(443) 733-	landline	Baltimore	AT&T Local	10/31/2001
(443) 734-	landline	Severn		05/10/1999
(443) 735-	wireless	Salisbury	Cingular Wireless	02/27/1999
(443) 736-	wireless	Salisbury	Cingular Wireless	11/20/1998
(443) 737-	landline	Baltimore	Paetec Comms	10/31/2001
(443) 738-	landline	Baltimore	Paetec Comms	01/14/2000
(443) 739-	wireless	Baltimore	Omnipoint Comms Cap Operations	07/23/2001
(443) 740-	landline	Baltimore	Telcove Operations	02/03/2005
(443) 741-	landline	Columbia	Mci Worldcom Comms	03/29/2011
(443) 742-	wireless	Baltimore	Cingular Wireless	08/20/2000
(443) 743-	wireless	Baltimore	Verizon Wireless	04/07/2008
(443) 744-	wireless	Reisterstown	Sprint	07/02/2002
(443) 745-	wireless	Columbia	Verizon Wireless	11/20/1998
(443) 746-	landline	Easton	Level 3 Comms	02/22/2002
(443) 747-	landline	Port Deposit	Core Comms	02/22/2002
(443) 748-	landline	Millersville	Cavalier Telephone Mid-atlantic	05/11/2001
(443) 749-	landline	Baltimore	Cavalier Telephone Mid-atlantic	03/03/2001
(443) 750-	wireless	Baltimore	Verizon Wireless	06/08/2010
(443) 751-	landline	Woodlawn	Cavalier Telephone Mid-atlantic	05/11/2001
(443) 752-	landline	Bel Air	Verizon Wireless	10/17/2001
(443) 753-	landline	Jessup	Allegiance Telecom	10/31/2000
(443) 754-	wireless	Salisbury	Verizon Wireless	06/09/2010
(443) 755-	landline	Elkridge		02/27/1999
(443) 756-	wireless	Baltimore	Cingular Wireless	08/20/2000
(443) 757-	landline	Elkridge	Cavalier Telephone Mid-atlantic	05/11/2001
(443) 758-	landline	Annapolis	AT&T Local	08/14/1998
(443) 759-	wireless	Baltimore	Verizon Wireless	10/29/2007
(443) 760-	landline	Aberdeen	AT&T Local	08/14/1998
(443) 761-	wireless	Towson	Omnipoint Comms Cap Operations	05/28/2008
(443) 762-	wireless	Baltimore	Sprint	01/10/2001
(443) 763-	landline	Baltimore	Omnipoint Comms Cap Operations	05/18/1998
(443) 764-	wireless	Glen Burnie	Omnipoint Comms Cap Operations	08/21/2008
(443) 765-	wireless	Catonsville	Cingular Wireless	07/23/2001
(443) 766-	landline	Columbia	Us Lec	05/18/2005
(443) 767-	landline	Reisterstown	Cavalier Telephone Mid-atlantic	05/11/2001
(443) 768-	wireless	Baltimore	Sprint	05/18/2001
(443) 769-	wireless	Baltimore	Omnipoint Comms Cap Operations	09/16/2008
(443) 770-	landline	Pasadena		03/03/2001
(443) 771-	wireless	Prince Frederick	Verizon Wireless	09/08/2010
(443) 772-	landline	Essex	Cavalier Telephone Mid-atlantic	07/23/2001
(443) 773-	landline	Baltimore	Allegiance Telecom	08/20/2000
(443) 774-	landline	Baltimore	Global Naps South	08/20/2000
(443) 776-	landline	Baltimore	Bandwidth.com	01/17/2014
(443) 777-	landline	Essex		08/20/2000
(443) 778-	landline	Laurel		05/18/1998
(443) 779-	landline	Aberdeen	Xo Maryland	06/30/2001
(443) 780-	landline	Columbia	Us Lec	07/23/2001
(443) 781-	landline	Pasadena	Xo Maryland	01/14/2000
(443) 782-	landline	Annapolis	Xo Maryland	01/14/2000
(443) 783-	wireless	Salisbury	Verizon Wireless	02/27/1999
(443) 784-	landline	Baltimore	Teleport Comms America	02/27/1999
(443) 785-	landline	Arbutus	Global Naps South	01/14/2000
(443) 786-	wireless	Easton	Verizon Wireless	06/13/2000
(443) 787-	landline	Bel Air	Ctc Comms Corp.	01/14/2000
(443) 788-	landline	Aberdeen	Xo Maryland	01/14/2000
(443) 789-	wireless	Westminster	Cingular Wireless	08/20/2000
(443) 790-	wireless	Glen Burnie	Sprint	11/19/2001
(443) 791-	wireless	Towson	Cingular Wireless	08/20/2000
(443) 792-	landline	Brooklyn		10/18/2007
(443) 793-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 794-	wireless	Baltimore	Cingular Wireless	01/14/2000
(443) 795-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 796-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 797-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 798-	landline	Towson	Tw Telecom	05/10/1999
(443) 799-	wireless	Baltimore	Cingular Wireless	07/23/2001
(443) 800-	wireless	Baltimore	Sprint	01/31/2011
(443) 801-	wireless	Baltimore	Sprint	07/22/1999
(443) 802-	wireless	Baltimore	Sprint	07/22/1999
(443) 803-	wireless	Baltimore	Sprint	07/22/1999
(443) 804-	wireless	Baltimore	Sprint	07/22/1999
(443) 805-	wireless	Glen Burnie	Omnipoint Comms Cap Operations	07/24/2008
(443) 806-	wireless	Baltimore	Sprint	03/08/2006
(443) 807-	wireless	Fallston	Sprint	08/20/2000
(443) 808-	landline	Annapolis	Bandwidth.com	04/04/2014
(443) 809-	wireless		Level 3 Comms	06/13/2014
(443) 810-	wireless	Baltimore	Sprint	09/04/2008
(443) 812-	wireless	Columbia	Verizon Wireless	01/15/2001
(443) 813-	wireless	Baltimore	Verizon Wireless	09/14/2007
(443) 814-	wireless	Baltimore	Verizon Wireless	06/15/2010
(443) 815-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 816-	landline	Severna Park	Allegiance Telecom	10/31/2000
(443) 817-	landline	Baltimore	Allegiance Telecom	10/31/2000
(443) 818-	landline	Pasadena	Level 3 Comms	12/30/2005
(443) 820-	landline	Baltimore	Paetec Comms	05/18/1998
(443) 821-	wireless	Westminster	Sprint	07/13/2010
(443) 822-	wireless	Annapolis	Sprint	08/14/1998
(443) 823-	wireless	Towson	Verizon Wireless	07/13/2006
(443) 824-	wireless	Towson	Omnipoint Comms Cap Operations	05/18/2001
(443) 825-	wireless	Baltimore	Omnipoint Comms Cap Operations	11/29/2006
(443) 826-	wireless	Baltimore	Verizon Wireless	06/25/2010
(443) 827-	wireless	Baltimore	Verizon Wireless	11/20/1998
(443) 828-	landline	Ellicott City	Cavalier Telephone Mid-atlantic	05/11/2001
(443) 829-	wireless	Baltimore	Sprint	06/13/2000
(443) 830-	landline	Catonsville	Cavalier Telephone Mid-atlantic	08/21/2001
(443) 831-	wireless	Baltimore	Cingular Wireless	11/20/1998
(443) 832-	landline	Baltimore	Level 3 Comms	07/22/1999
(443) 833-	landline	Arbutus	Us Lec	03/03/2001
(443) 834-	landline	Towson	Cavalier Telephone Mid-atlantic	10/13/1999
(443) 835-	wireless	Baltimore	Verizon Wireless	12/11/2008
(443) 836-	landline	Baltimore	Xo Maryland	01/14/2000
(443) 837-	landline	Annapolis	Us Lec	09/24/2001
(443) 838-	wireless	Baltimore	Cingular Wireless	07/22/1999
(443) 839-	wireless	Baltimore	Omnipoint Comms Cap Operations	04/17/2006
(443) 840-	wireless	Catonsville	Cingular Wireless	05/04/2005
(443) 841-	landline	Baltimore		07/22/1999
(443) 842-	wireless	Baltimore	Verizon Wireless	03/10/2011
(443) 843-	landline	Havre De Grace		07/22/1999
(443) 844-	wireless	Baltimore	Verizon Wireless	02/13/2006
(443) 845-	wireless	Baltimore	Verizon Wireless	02/27/1999
(443) 846-	landline	Towson	Cingular Wireless	03/03/2001
(443) 847-	wireless	Towson	Verizon Wireless	10/12/2006
(443) 848-	landline	Baltimore	Sprint	03/03/2001
(443) 849-	landline	Towson		05/18/2001
(443) 850-	wireless	Baltimore	Omnipoint Comms Cap Operations	09/24/2001
(443) 851-	wireless	Catonsville	Omnipoint Comms Cap Operations	08/21/2001
(443) 852-	wireless	Annapolis	Cingular Wireless	08/21/2001
(443) 853-	wireless	Baltimore	Verizon Wireless	07/27/2010
(443) 854-	wireless	Baltimore	Omnipoint Comms Cap Operations	11/19/2001
(443) 855-	landline	Aberdeen	Lightwave Comms	05/20/2005
(443) 856-	landline	Ocean City	Core Comms	07/02/2002
(443) 857-	wireless	Baltimore	Omnipoint Comms Cap Operations	06/13/2000
(443) 858-	wireless	Baltimore	Omnipoint Comms Cap Operations	06/13/2000
(443) 859-	wireless	Salisbury	Omnipoint Comms Cap Operations	06/13/2000
(443) 860-	wireless	Catonsville	Cingular Wireless	05/04/2005
(443) 861-	landline	Aberdeen		08/13/2009
(443) 862-	wireless	Towson	Verizon Wireless	10/07/2011
(443) 863-	wireless	Baltimore	Verizon Wireless	08/09/2010
(443) 864-	wireless	Columbia	Sprint	12/19/2001
(443) 865-	wireless	Baltimore	Sprint	04/19/2002
(443) 866-	wireless	Bel Air	Sprint	07/02/2002
(443) 867-	landline	Glen Burnie	Paetec Comms	10/13/1999
(443) 868-	landline	Baltimore		07/22/1999
(443) 869-	wireless	Baltimore	Verizon Wireless	06/12/2006
(443) 870-	landline	Pikesville	Tw Telecom	05/10/1999
(443) 871-	wireless	Annapolis	Sprint	11/20/1998
(443) 872-	landline	Baltimore	Cavalier Telephone Mid-atlantic	03/03/2001
(443) 873-	landline	Pikesville	Broadvox-clec	02/23/2010
(443) 874-	landline	Baltimore	Cavalier Telephone Mid-atlantic	03/03/2001
(443) 875-	landline	Annapolis	Cingular Wireless	03/03/2001
(443) 876-	landline	Bel Air	Sprint	03/03/2001
(443) 877-	landline	North East	Level 3 Comms	10/13/1999
(443) 878-	landline	Baltimore	Verizon Wireless	03/03/2001
(443) 879-	landline	Baltimore		03/03/2001
(443) 880-	landline	Salisbury	AT&T Local	11/20/1998
(443) 881-	wireless	Reisterstown	Sprint	09/26/2006
(443) 882-	wireless	Baltimore	Sprint	02/01/2011
(443) 883-	landline	Baltimore	AT&T Local	08/14/1998
(443) 884-	landline	Baltimore	Cavalier Telephone Mid-atlantic	03/03/2001
(443) 885-	landline	Baltimore		08/14/1998
(443) 886-	landline	Baltimore	AT&T Local	08/14/1998
(443) 887-	landline	Harmans	Cavalier Telephone Mid-atlantic	05/05/2010
(443) 888-	landline	Princess Anne	Cavalier Telephone (mid-atlantic)	01/06/2011
(443) 889-	wireless	Glen Burnie	Omnipoint Comms Cap Operations	04/20/2001
(443) 890-	wireless	Baltimore	Verizon Wireless	08/10/2011
(443) 891-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 892-	landline	New Windsor	Bandwidth.com	08/11/2011
(443) 893-	landline	Baltimore	Xo Maryland	10/31/2000
(443) 894-	wireless	Baltimore	Sprint	06/30/2011
(443) 895-	wireless	Towson	Verizon Wireless	04/09/2007
(443) 896-	landline	Baltimore	AT&T Local	08/14/1998
(443) 897-	wireless	Baltimore	Leap Wireless Intl DBA Cricket Comm	04/12/2011
(443) 898-	landline	Pikesville	Level 3 Comms	12/08/2005
(443) 899-	landline	Elkridge	Broadwing Comms.	03/03/2001
(443) 900-	wireless	Towson	Verizon Wireless	05/23/2012
(443) 901-	landline	Towson	Cavalier Telephone Mid-atlantic	08/21/2001
(443) 902-	wireless	Baltimore	Verizon Wireless	01/06/2011
(443) 903-	wireless	Bel Air	Verizon Wireless	09/07/2011
(443) 904-	wireless	Baltimore	Verizon Wireless	10/17/2001
(443) 905-	wireless	Annapolis	Sprint	08/12/2011
(443) 906-	landline	Severna Park	Peerless Network	09/20/2012
(443) 907-	wireless	Elkton	Verizon Wireless	04/20/2001
(443) 908-	wireless	Baltimore	Verizon Wireless	06/29/2011
(443) 909-	wireless	Baltimore	Verizon Wireless	08/09/2006
(443) 910-	wireless	Bel Air	Cingular Wireless	04/20/2001
(443) 912-	landline	Towson	Core Comms	07/02/2002
(443) 913-	wireless	Baltimore	Sprint	06/30/2011
(443) 914-	landline	Reisterstown	Teleport Comms America	02/27/1999
(443) 915-	wireless	Baltimore	Verizon Wireless	09/07/2011
(443) 916-	wireless	Baltimore	Sprint	08/22/2011
(443) 917-	wireless	Columbia	Broadvox-clec	10/07/2011
(443) 918-	landline	Taneytown	Teleport Comms America	02/27/1999
(443) 919-	landline	Baltimore	Cavalier Telephone Mid-atlantic	03/03/2001
(443) 920-	landline	Sykesville	Teleport Comms America	02/27/1999
(443) 921-	landline	Baltimore	Paetec Comms	10/13/1999
(443) 922-	landline	Edgewood	Atx Telecom Services, Ltd	02/07/2006
(443) 923-	landline	Baltimore	Cavalier Telephone Mid-atlantic	05/11/2001
(443) 924-	wireless	Annapolis	Verizon Wireless	07/06/2009
(443) 925-	wireless	Baltimore	Omnipoint Comms Cap Operations	02/24/2006
(443) 926-	landline	Annapolis	Broadwing Comms.	08/20/2000
(443) 927-	landline	Baltimore	Broadwing Comms.	08/20/2000
(443) 928-	wireless	Baltimore	Verizon Wireless	09/24/2001
(443) 929-	wireless	Pikesville	Omnipoint Comms Cap Operations	04/20/2001
(443) 930-	wireless	Baltimore	Verizon Wireless	04/06/2011
(443) 931-	landline	Baltimore	Mci Worldcom Comms	10/24/2011
(443) 932-	wireless	Baltimore	Sprint	08/22/2011
(443) 933-	landline	Cockeysville	Teleport Comms America	04/20/2004
(443) 934-	wireless	Baltimore	Verizon Wireless	12/04/2007
(443) 935-	wireless	Towson	Cingular Wireless	07/31/2006
(443) 937-	landline	Union Bridge	Teleport Comms America	02/27/1999
(443) 938-	wireless	Baltimore	Verizon Wireless	08/06/2007
(443) 939-	wireless	Baltimore	Omnipoint Comms Cap Operations	09/23/2002
(443) 940-	landline	Pikesville	Cavalier Telephone Mid-atlantic	08/21/2001
(443) 941-	wireless	Elkton	Cingular Wireless	09/07/2011
(443) 942-	landline	Severna Park	Teleport Comms America	08/14/1998
(443) 943-	landline	Baltimore	Teleport Comms America	08/14/1998
(443) 944-	landline	Salisbury	Comcast Phone Of Northern Maryland	06/08/2006
(443) 945-	wireless	Elkton	Cingular Wireless	07/02/2002
(443) 946-	landline	Parkville	Xo Maryland	01/14/2000
(443) 947-	landline	Perryville	Ctc Comms Corp.	01/14/2000
(443) 948-	wireless	Baltimore	Sprint	08/22/2011
(443) 949-	landline	Annapolis	Comcast Phone Of Northern Maryland	06/28/2006
(443) 951-	landline	Annapolis	Global Crossing Local Services	07/22/1999
(443) 952-	wireless	Westminster	Verizon Wireless	09/07/2011
(443) 953-	wireless	Salisbury	Verizon Wireless	09/07/2011
(443) 954-	landline	Baltimore	Paetec Comms	07/06/2005
(443) 955-	wireless	Baltimore	Verizon Wireless	03/13/2006
(443) 956-	wireless	Baltimore	Cingular Wireless	01/14/2000
(443) 957-	landline	Baltimore	AT&T Local	08/14/1998
(443) 960-	wireless	Glen Burnie	Verizon Wireless	10/07/2011
(443) 962-	wireless	Glen Burnie	Verizon Wireless	09/14/2007
(443) 963-	wireless	Baltimore	Halo Wireless Services	12/01/2011
(443) 964-	landline	North Beach	Level 3 Comms	05/12/2006
(443) 965-	wireless	Baltimore	Sprint	06/21/2006
(443) 966-	wireless	Fallston	Verizon Wireless	09/13/2006
(443) 967-	landline	North East		04/20/2001
(443) 968-	wireless	Prince Frederick	Cingular Wireless	07/22/1999
(443) 969-	landline	Essex	Cavalier Telephone Mid-atlantic	05/11/2001
(443) 970-	wireless	Baltimore	Verizon Wireless	11/21/2011
(443) 971-	landline	Taneytown	Bandwidth.com	02/16/2011
(443) 972-	wireless	Cambridge	Us Lec	11/21/2011
(443) 973-	landline	Baltimore	Xo Maryland	06/30/2001
(443) 974-	landline	Westminster	Teleport Comms America	02/27/1999
(443) 975-	wireless	Prince Frederick	Cingular Wireless	03/03/2001
(443) 976-	wireless		Baltimore-washington Telephone (bwt)	10/17/2005
(443) 977-	wireless	Baltimore	Verizon Wireless	10/12/2006
(443) 978-	wireless	Salisbury	Verizon Wireless	11/21/2011
(443) 979-	wireless	Columbia	Verizon Wireless	11/21/2011
(443) 980-	wireless	Catonsville	Cingular Wireless	10/13/1999
(443) 981-	wireless	Fallston	Verizon Wireless	11/21/2011
(443) 982-	landline	Baltimore	Ymax Comms Corp.	05/30/2007
(443) 983-	wireless	Baltimore	Omnipoint Comms Cap Operations	07/02/2002
(443) 984-	landline	Baltimore		10/31/2000
(443) 985-	wireless	Randallstown	Omnipoint Comms Cap Operations	06/20/2001
(443) 986-	wireless	Baltimore	Verizon Wireless	07/13/2006
(443) 987-	landline	Bel Air	AT&T Local	11/20/1998
(443) 988-	landline	Centreville	Level 3 Comms	06/08/2006
(443) 989-	landline	Glen Burnie	Cavalier Telephone Mid-atlantic	05/11/2001
(443) 990-	landline	Baltimore	Bandwidth.com	02/04/2011
(443) 991-	wireless	Towson	Verizon Wireless	12/01/2011
(443) 992-	landline	Baltimore	Level 3 Comms	01/14/2000
(443) 993-	wireless	Elkton	Metro PCS	12/13/2010
(443) 994-	wireless	Annapolis	Cingular Wireless	11/20/1998
(443) 995-	wireless	Annapolis	Cingular Wireless	08/20/2000
(443) 996-	wireless	Catonsville	Cingular Wireless	11/20/1998
(443) 997-	landline	Baltimore		03/03/2001
(443) 998-	landline	Parkville		03/19/2001