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720 Area Code

State:Colorado
Major City:Denver
Timezone:Mountain
Current Time:

History of area code 720

720 was first put in service June 1, 1998. It was created from area code 303.

Where is area code 720

Area code 720 is located in central Colorado and covers Denver, Aurora, Lakewood, Thornton, Arvada, Westminster, and Centennial. It is an overlay for area code 303 and serves the same area.

What time zone is area code 720?

The 720 area code is located in the Mountain timezone. The Mountain time zone is also known as America/Denver

area code 720

720 area code map

Top 12 Counties in Area Code 720

CountyTotal Population% of 720% of County
Denver, CO600,1582%100%
Arapahoe, CO572,00312%100%
Jefferson, CO534,54311%100%
Adams, CO441,60317%100%
Boulder, CO294,56711%100%
Douglas, CO285,46512%99%
Broomfield, CO55,8890%100%
Weld, CO252,82511%19%
Elbert, CO23,08610%37%
Clear Creek, CO9,0885%93%
Gilpin, CO5,4412%100%
Park, CO16,2065%16%

Top 50 Cities in Area Code 720

CityTotal Population% of 720% of City
Denver, CO600,1582%100%
Aurora, CO325,0782%100%
Lakewood, CO142,9801%100%
Thornton, CO118,7721%100%
Arvada, CO106,4331%100%
Westminster, CO106,1140%100%
Centennial, CO100,3770%100%
Boulder, CO97,3850%100%
Highlands Ranch, CO96,7130%100%
Longmont, CO86,2700%100%
Broomfield, CO55,8890%100%
Castle Rock, CO48,2310%100%
Commerce City, CO45,9131%100%
Parker, CO45,2970%100%
Littleton, CO41,7370%100%
Northglenn, CO35,7890%100%
Brighton, CO33,3520%100%
Ken Caryl, CO32,4380%100%
Dakota Ridge, CO32,0050%100%
Englewood, CO30,2550%100%
Wheat Ridge, CO30,1660%100%
Lafayette, CO24,4530%100%
Columbine, CO24,2800%100%
Golden, CO18,8670%100%
Louisville, CO18,3760%100%
Sherrelwood, CO18,2870%100%
Erie, CO18,1350%100%
Welby, CO14,8460%100%
Greenwood Village, CO13,9250%100%
Superior, CO12,4830%100%
Federal Heights, CO11,4670%100%
Berkley, CO11,2070%100%
Cherry Creek, CO11,1200%100%
The Pinery, CO10,5170%100%
Castle Pines North, CO10,3600%100%
Lone Tree, CO10,2180%100%
Firestone, CO10,1470%100%
Gunbarrel, CO9,2630%100%
Roxborough Park, CO9,0990%100%
Evergreen, CO9,0380%100%
Stonegate, CO8,9620%100%
Frederick, CO8,6790%100%
Derby, CO7,6850%100%
Fairmount, CO7,5590%100%
Fort Lupton, CO7,3770%100%
Applewood, CO7,1600%100%
Twin Lakes, CO6,1010%100%
Cherry Hills Village, CO5,9870%100%
Sheridan, CO5,6640%100%
Dove Valley, CO5,2430%100%

Largest Landline Carriers in area code720

PrefixesCarrier
19%Qwest Corporation
8%Xo
4%Bandwidthcom Clec
4%Teleport America
4%Level 3
3%Icg Telecom Group
3%Eschelon Telecom
16%Other

Largest Wireless Carriers in area code720

PrefixesCarrier
12%Sprint
7%Cricket Comm
6%Verizon Wireless
6%T-mobile
5%Cingular
1%Commnet Wireless
1%American Messaging (am)
1%Other

Prefixes in area code720

PrefixUsagePrimary CityCarrierIntroduced
(720) 200-landlineDenverQwest Corp.02/27/1999
(720) 201-wirelessDenverCingular Wireless06/30/2001
(720) 202-wirelessDenverVerizon Wireless10/07/2009
(720) 203-wirelessDenverSprint01/29/2001
(720) 204-landlineLongmontAT&T Local02/27/1999
(720) 205-wirelessDenverSprint06/30/2001
(720) 206-landlineDenverXo Colorado05/10/1999
(720) 207-landlineEnglewoodXo Colorado05/10/1999
(720) 208-landlineDenverXo Colorado05/10/1999
(720) 209-wirelessDenverSprint01/14/2000
(720) 210-landlineDenverXo Colorado05/10/1999
(720) 212-landlineDenverXo Colorado05/10/1999
(720) 213-landlineDenverMcleodusa Telecom Services06/30/2001
(720) 214-landlineDenverMcleodusa Telecom Services03/03/2001
(720) 215-landlineDenverVerizon Wireless10/12/2009
(720) 216-landlineAuroraTeleport Comms America01/29/2001
(720) 217-wirelessDenverT-mobile USA02/27/1999
(720) 218-wirelessDenverSprint01/14/2000
(720) 219-wirelessDenverVerizon Wireless01/14/2000
(720) 220-wirelessDenverT-mobile USA05/10/1999
(720) 221-landlineDenverXo Colorado05/10/1999
(720) 222-landlineEnglewoodXo Colorado05/10/1999
(720) 223-landlineBrightonXo Colorado05/10/1999
(720) 224-landlineDenverXo Colorado05/10/1999
(720) 225-landlineDenverXo Colorado05/10/1999
(720) 226-landlineDenverXo Colorado05/10/1999
(720) 227-landlineDenverXo Colorado05/10/1999
(720) 228-landlineDenverXo Colorado05/10/1999
(720) 229-landlineDenverXo Colorado05/10/1999
(720) 230-landlineBrightonXo Colorado05/10/1999
(720) 231-wirelessDenverT-mobile USA05/10/1999
(720) 232-wirelessDenverSprint05/10/1999
(720) 233-wirelessDenverSprint05/10/1999
(720) 234-wirelessDenverSprint05/10/1999
(720) 235-wirelessDenverSprint05/10/1999
(720) 236-wirelessDenverSprint05/10/1999
(720) 237-wirelessDenverCingular Wireless09/28/2009
(720) 238-landlineDenverT-mobile USA06/30/2001
(720) 239-landlineDenverAT&T Local03/03/2001
(720) 240-landlineDenverXo Colorado05/10/1999
(720) 241-landlineDenverXo Colorado05/10/1999
(720) 242-landlineDenverQwest Corp.10/09/2008
(720) 243-wirelessDenverLeap Wireless Intl DBA Cricket Comm06/30/2009
(720) 244-wirelessDenverCingular Wireless06/30/2001
(720) 245-landlineDenverEschelon Telecom11/21/2011
(720) 246-landlineEnglewoodXo Colorado05/10/1999
(720) 247-landlineBrightonXo Colorado05/20/2004
(720) 248-landlineDenverCbeyond Comms10/31/2000
(720) 249-landlineDenverXo Colorado05/10/1999
(720) 250-landlineDenverXo Colorado05/10/1999
(720) 251-landlineAuroraLevel 3 Comms10/25/2002
(720) 252-wirelessDenverSprint05/10/1999
(720) 253-wirelessDenverSprint05/10/1999
(720) 254-wirelessDenverSprint05/10/1999
(720) 255-wirelessDenverSprint05/10/1999
(720) 256-wirelessDenverSprint05/10/1999
(720) 257-landlineDenverXo Colorado05/10/1999
(720) 258-landlineDenverTeleport Comms America10/31/2000
(720) 259-landlineDenverLevel 3 Comms10/25/2002
(720) 260-wirelessDenverSprint06/13/2000
(720) 261-wirelessDenverT-mobile USA05/10/1999
(720) 262-landlineAuroraIcg Telecom Group08/20/2000
(720) 263-landlineBrightonLevel 3 Comms10/25/2002
(720) 264-landlineDenverQwest Corp.03/03/2001
(720) 265-landlineBrightonXo Colorado05/03/2004
(720) 266-landlineDenverLevel 3 Comms10/25/2002
(720) 267-landlineDenverQwest Corp.06/30/2001
(720) 268-landlineDenverQwest Corp.06/30/2001
(720) 269-landlineDenverTeleport Comms America05/10/1999
(720) 270-wirelessDenverSprint08/20/2000
(720) 271-wirelessDenverSprint06/13/2000
(720) 272-wirelessDenverCingular Wireless01/18/2001
(720) 273-wirelessDenverCingular Wireless01/18/2001
(720) 274-landlineDenverMcleodusa Telecom Services03/03/2001
(720) 275-wirelessDenverLeap Wireless Intl DBA Cricket Comm02/22/2001
(720) 276-wirelessDenverLeap Wireless Intl DBA Cricket Comm02/22/2001
(720) 277-landlineAuroraLevel 3 Comms03/03/2001
(720) 278-landlineAuroraTw Telecom01/25/2001
(720) 279-landlineDenverTw Telecom01/25/2001
(720) 280-wirelessDenverT-mobile USA10/31/2000
(720) 281-wirelessAuroraVerizon Wireless06/13/2000
(720) 282-landlineDenverTw Telecom01/25/2001
(720) 283-landlineDenverQwest Corp.02/27/1999
(720) 284-landlineDenverXo Colorado02/27/1999
(720) 285-landlineEnglewoodXo Colorado01/30/2009
(720) 286-landlineDenverTeleport Comms America04/30/2002
(720) 287-landlineDenverComcast Phone04/30/2010
(720) 288-landlineAuroraBandwidth.com02/26/2010
(720) 289-wirelessDenverCingular Wireless07/25/2001
(720) 290-wirelessDenverSprint08/20/2000
(720) 291-wirelessDenverSprint08/20/2000
(720) 292-wirelessDenverCingular Wireless03/04/2009
(720) 293-landlineDenverXo Colorado06/13/2000
(720) 294-landlineDenverXo Colorado06/13/2000
(720) 295-landlineDenverBandwidth.com03/01/2010
(720) 296-wirelessDenverLeap Wireless Intl DBA Cricket Comm01/12/2001
(720) 297-wirelessDenverLeap Wireless Intl DBA Cricket Comm01/12/2001
(720) 298-wirelessDenverLeap Wireless Intl DBA Cricket Comm01/12/2001
(720) 299-wirelessDenverT-mobile USA03/03/2001
(720) 300-wirelessDenverSprint08/20/2000
(720) 301-wirelessDenverSprint08/20/2000
(720) 302-landlineDenverTeleport Comms America02/27/1999
(720) 304-landlineDenverQwest Corp.02/27/1999
(720) 305-landlineDenverTw Telecom01/29/2001
(720) 306-landlineDenverEschelon Telecom01/29/2001
(720) 307-landlineLyonsAT&T Local08/02/2012
(720) 308-landlineDenverCingular Wireless08/14/2001
(720) 309-wirelessDenverLeap Wireless Intl DBA Cricket Comm12/05/2001
(720) 310-landlineLyonsTeleport Comms America05/10/1999
(720) 312-wirelessDenverSprint02/20/2001
(720) 313-wirelessDenverSprint02/20/2001
(720) 314-wirelessDenverSprint02/20/2001
(720) 315-landlineDenver360networks (usa)10/14/2009
(720) 316-landlineDenverBandwidth.com05/24/2010
(720) 317-wirelessDenverSprint01/14/2000
(720) 318-wirelessDenverSprint02/27/1999
(720) 319-wirelessDenverSprint04/19/2001
(720) 320-wirelessDenverCingular Wireless06/13/2000
(720) 321-landlineDenverQwest Corp.05/29/2008
(720) 322-landlineDenverQwest Corp.10/31/2000
(720) 323-wirelessDenverT-mobile USA03/03/2001
(720) 324-landlineAuroraComcast Phone10/31/2000
(720) 325-wirelessAuroraT-mobile USA08/06/2010
(720) 326-wirelessDenverCingular Wireless06/13/2011
(720) 327-wirelessDenverLeap Wireless Intl DBA Cricket Comm10/18/2001
(720) 328-landlineDenverComcast Phone10/20/2009
(720) 329-wirelessDenverLeap Wireless Intl DBA Cricket Comm10/18/2001
(720) 330-landlineDenverIcg Telecom Group02/27/1999
(720) 331-wirelessDenverSprint08/20/2000
(720) 332-landlineDenverMCI Metro ATS02/27/1999
(720) 333-wirelessDenverSprint05/14/2001
(720) 334-wirelessDenverSprint05/14/2001
(720) 335-wirelessDenverSprint05/14/2001
(720) 336-landlineKeenesburgBandwidth.com07/19/2010
(720) 337-landlineDenverQwest Corp.02/18/2009
(720) 338-wirelessDenverLeap Wireless Intl DBA Cricket Comm11/19/2001
(720) 339-wirelessDenverSprint02/27/1999
(720) 340-wirelessLongmontVerizon Wireless09/04/2009
(720) 341-wirelessDenverT-mobile USA10/31/2000
(720) 342-landlineDenverAT&T Local04/15/2009
(720) 343-landlineAuroraLevel 3 Comms10/31/2003
(720) 344-landlineLittletonQwest Corp.10/13/1999
(720) 345-landlineDenverZippytech Incorporated12/28/2007
(720) 346-landlineDenverVerizon Wireless02/27/1999
(720) 347-landlineDenverTw Telecom09/28/2009
(720) 348-landlineLittletonQwest Corp.10/31/2000
(720) 349-landlineDenverAT&T Local03/28/2011
(720) 350-wirelessDenverSprint02/27/1999
(720) 351-wirelessDenverSprint02/27/1999
(720) 352-wirelessDenverT-mobile USA02/27/1999
(720) 353-wirelessDenverSprint02/27/1999
(720) 354-landlineDenverTw Telecom06/30/2011
(720) 355-wirelessDenverVerizon Wireless08/16/2012
(720) 356-landlineDenverAT&T Local02/27/1999
(720) 357-wirelessDenverCingular Wireless07/05/2012
(720) 358-landlineHudsonMCI Metro ATS09/09/2009
(720) 359-landlineDenverQwest Corp.02/27/1999
(720) 360-wirelessDenverCingular Wireless01/28/2013
(720) 361-landlineDenverEschelon Telecom07/03/2013
(720) 362-landlineDenverQwest Corp.06/06/2007
(720) 363-wirelessDenverSprint10/13/1999
(720) 364-wirelessDenverLeap Wireless Intl DBA Cricket Comm01/15/2002
(720) 365-wirelessDenverLeap Wireless Intl DBA Cricket Comm01/15/2002
(720) 366-wirelessDenverLeap Wireless Intl DBA Cricket Comm01/15/2002
(720) 367-landlineEnglewoodXo Colorado12/13/2004
(720) 368-landlineEnglewoodXo Colorado04/30/2004
(720) 369-wirelessDenverCingular Wireless03/14/2011
(720) 370-landlineDenverBandwidth.com01/04/2013
(720) 371-wirelessDenverSprint10/13/1999
(720) 372-wirelessAuroraT-mobile USA09/09/2013
(720) 373-wirelessDenverSprint10/13/1999
(720) 374-landlineDenverQwest Corp.06/13/2000
(720) 375-wirelessDenverCommnet Wireless07/10/2007
(720) 376-landlineDenverEschelon Telecom11/12/2012
(720) 377-landlineDenverXo Colorado01/14/2000
(720) 378-wirelessLongmontCingular Wireless01/19/2010
(720) 379-landlineDenverIcg Telecom Group08/20/2000
(720) 380-wirelessDenverSprint02/01/2013
(720) 381-landlineDenverComcast Phone08/03/2005
(720) 382-landlineDenverEschelon Telecom08/20/2000
(720) 383-wirelessFort LuptonVerizon Wireless11/13/2008
(720) 384-landlineDenverXo Colorado08/20/2000
(720) 385-landlineDenverXo Colorado08/20/2000
(720) 386-landlineIdaho SpringsBandwidth.com12/03/2012
(720) 387-landlineDenverTw Telecom09/04/2012
(720) 388-wirelessAuroraVerizon Wireless01/11/2010
(720) 389-landlineDenverXo Colorado11/17/2008
(720) 390-landlineDenverIloka DBA Newcloud Networks07/18/2013
(720) 391-wirelessDenverVerizon Wireless07/12/2013
(720) 392-landlineDeer TrailYmax Comms Corp.01/30/2009
(720) 393-landlineDenverTw Telecom06/07/2010
(720) 394-wirelessDenverT-mobile USA03/03/2001
(720) 395-landlineDenverAT&T Local09/04/2009
(720) 396-landlineDenverAT&T Local09/08/2009
(720) 397-landlineDenverAT&T Local09/08/2009
(720) 398-wirelessDenverLeap Wireless Intl DBA Cricket Comm06/28/2010
(720) 399-landlineDenverLevel 3 Comms05/06/2011
(720) 400-wirelessEnglewoodT-mobile USA10/28/2010
(720) 401-wirelessDenverT-mobile USA01/13/2009
(720) 402-landlineDenverEschelon Telecom05/10/2011
(720) 403-landlineDenverPeerless Network
(720) 404-wirelessDenverLeap Wireless Intl DBA Cricket Comm10/18/2001
(720) 405-landlineDenverHypercube Telecom08/30/2013
(720) 406-landlineDenverQwest Corp.07/22/1999
(720) 407-landlineDenverCbeyond Comms10/31/2000
(720) 408-landlineBrightonBandwidth.com11/15/2012
(720) 409-landlineDenverMcleodusa Telecom Services11/22/2011
(720) 410-wirelessComcast Phone06/27/2014
(720) 412-wirelessDenverCingular Wireless06/28/2010
(720) 413-wirelessDenverVerizon Wireless08/27/2008
(720) 414-landlineLyonsLevel 3 Comms10/04/2011
(720) 415-wirelessDenverVerizon Wireless06/12/2013
(720) 416-wirelessMetro PCS06/30/2014
(720) 418-landlineDenverMCI Metro ATS03/12/2014
(720) 420-landlineDenverLevel 3 Comms05/26/2010
(720) 421-wirelessDenverT-mobile USA03/20/2009
(720) 422-wirelessDenverLeap Wireless Intl DBA Cricket Comm09/26/2001
(720) 423-landlineDenverQwest Corp.04/22/2004
(720) 424-landlineDenverQwest Corp.04/22/2004
(720) 425-landlineDenverVerizon Wireless01/15/2008
(720) 426-landlineDenverQwest Corp.04/20/2010
(720) 427-wirelessAuroraT-mobile USA02/04/2002
(720) 428-landlineDenverBroadvox-clec12/12/2011
(720) 429-wirelessDenverLeap Wireless Intl DBA Cricket Comm07/02/2008
(720) 430-landlineDenverAT&T Local06/28/2012
(720) 431-wirelessDenverCingular Wireless09/22/2010
(720) 432-landlineDenverBandwidth.com02/26/2010
(720) 433-landlineDenverMcleodusa Telecom Services02/12/2008
(720) 434-wirelessDenverLeap Wireless Intl DBA Cricket Comm06/30/2001
(720) 435-wirelessDenverLeap Wireless Intl DBA Cricket Comm06/30/2001
(720) 436-wirelessDenverLeap Wireless Intl DBA Cricket Comm06/30/2001
(720) 437-wirelessDenverVerizon Wireless02/08/2011
(720) 438-landlineLongmont360networks (usa)09/26/2006
(720) 439-wirelessDenverLeap Wireless Intl DBA Cricket Comm04/21/2010
(720) 440-wirelessDenverLeap Wireless Intl DBA Cricket Comm05/12/2010
(720) 441-landlineDenverBandwidth.com05/18/2011
(720) 442-landlineLongmontBandwidth.com04/04/2011
(720) 443-landlineDenverBandwidth.com10/07/2010
(720) 444-landlineDenverQwest Corp.01/14/2000
(720) 445-wirelessDenverVerizon Wireless09/15/2010
(720) 446-landlineDenverXo Colorado02/23/2011
(720) 447-wirelessDenverLeap Wireless Intl DBA Cricket Comm02/22/2008
(720) 448-wirelessDenverLeap Wireless Intl DBA Cricket Comm04/09/2008
(720) 449-landlineDenverXo Colorado01/14/2000
(720) 450-landlineDenverMCI Metro ATS01/08/2014
(720) 451-wirelessDenverT-mobile USA
(720) 452-landlineDenverPeerless Network12/28/2010
(720) 453-wirelessTeleport Comms America06/12/2014
(720) 454-landlineDenverMcleodusa Telecom Services08/11/2010
(720) 455-landlineDenverQwest Corp.07/02/2010
(720) 456-landlineDenverTw Telecom07/23/2013
(720) 457-landlineDenverLevel 3 Comms05/28/2008
(720) 458-landlineDenverTw Telecom09/27/2010
(720) 459-landlineDenverOnvoy10/15/2010
(720) 460-landlineDenverEschelon Telecom11/13/2013
(720) 463-landlineSedaliaOnvoy02/05/2013
(720) 464-landlineDenverBandwidth.com04/21/2011
(720) 465-wirelessDenverLeap Wireless Intl DBA Cricket Comm01/03/2012
(720) 466-wirelessFort LuptonCingular Wireless06/28/2010
(720) 467-wirelessDenverVerizon Wireless01/10/2014
(720) 468-landlineDenverLevel 3 Comms12/17/2001
(720) 469-landlineDenverCingular Wireless09/23/2011
(720) 470-wirelessDenverVerizon Wireless08/20/2000
(720) 471-wirelessVerizon Wireless06/12/2014
(720) 472-landlineDenverTeleport Comms America05/10/1999
(720) 473-landlineDenverCbeyond Comms12/11/2007
(720) 474-wirelessDenverSprint10/31/2011
(720) 475-landlineDenverTeleport Comms America05/10/1999
(720) 476-wirelessCingular Wireless05/19/2014
(720) 477-landlineHenderson360networks (usa)08/09/2011
(720) 478-landlineDenverTw Telecom05/08/2013
(720) 479-landlineDenverTeleport Comms America06/13/2000
(720) 480-wirelessDenverCingular Wireless08/20/2000
(720) 482-landlineDenverQwest Corp.01/14/2000
(720) 484-landlineDenverEschelon Telecom07/18/2011
(720) 485-wirelessComcast Phone05/08/2014
(720) 488-landlineDenverQwest Corp.03/03/2001
(720) 489-landlineDenverQwest Corp.02/27/1999
(720) 490-wirelessDenverSprint02/27/1999
(720) 491-wirelessLongmontCingular Wireless11/16/2011
(720) 493-landlineDenverQwest Corp.01/14/2000
(720) 494-landlineLongmontQwest Corp.06/13/2000
(720) 495-wirelessDenverLeap Wireless Intl DBA Cricket Comm09/28/2001
(720) 496-landlineDenverLevel 3 Comms12/17/2001
(720) 497-landlineGoldenQwest Corp.07/22/1999
(720) 498-wirelessDenverVerizon Wireless09/10/2012
(720) 499-wirelessAuroraT-mobile USA08/09/2011
(720) 502-landlineDenverComcast Phone11/15/2012
(720) 504-landlineDenverBandwidth.com05/24/2013
(720) 505-wirelessAuroraVerizon Wireless01/11/2011
(720) 506-landlineDenverLevel 3 Comms12/17/2001
(720) 508-landlineDenverEschelon Telecom06/26/2012
(720) 509-landlineDenverXo Colorado04/02/2010
(720) 514-landlineDenverTeleport Comms America05/10/1999
(720) 515-landlineDenverBandwidth.com02/11/2010
(720) 518-wirelessEschelon Telecom05/16/2014
(720) 519-landlineDenverTeleport Comms America05/10/1999
(720) 521-wirelessDenverAmerican Messaging (am)07/22/1999
(720) 522-landlineEnglewoodXo Colorado11/19/2010
(720) 523-landlineBrightonQwest Corp.05/24/2010
(720) 524-landlineDenverQwest Corp.06/13/2000
(720) 525-wirelessDenverSprint04/02/2013
(720) 526-wirelessCingular Wireless06/12/2014
(720) 528-landlineDenverQwest Corp.07/22/1999
(720) 529-landlineDenverQwest Corp.07/22/1999
(720) 530-wirelessDenverCingular Wireless10/31/2000
(720) 532-landlineAuroraTeleport Comms America02/27/1999
(720) 533-landlineDenverTeleport Comms America02/27/1999
(720) 535-landlineDenverTeleport Comms America02/27/1999
(720) 536-landlineDenverQwest Corp.06/30/2001
(720) 538-wirelessFort LuptonVerizon Wireless09/24/2012
(720) 539-wirelessDenverCingular Wireless07/08/2011
(720) 540-landlineDenverQwest Corp.05/10/1999
(720) 541-wirelessDenverVerizon Wireless09/28/2012
(720) 542-landlineDenverQwest Corp.10/31/2000
(720) 544-landlineDenverQwest Corp.10/31/2000
(720) 545-landlineDenverLevel 3 Comms06/12/2009
(720) 548-landlineDenverGlobal Crossing Local Services05/10/1999
(720) 549-landlineDenverLevel 3 Comms07/22/1999
(720) 550-landlineDenverMcleodusa Telecom Services06/25/2013
(720) 551-wirelessDenverLeap Wireless Intl DBA Cricket Comm04/01/2011
(720) 552-wirelessLongmontVerizon Wireless11/16/2012
(720) 553-landlineAuroraQwest Corp.06/22/2012
(720) 554-landlineDenverQwest Corp.08/20/2000
(720) 556-wirelessDenverVerizon Wireless05/10/2011
(720) 557-wirelessDenverVerizon Wireless06/12/2013
(720) 558-landlineDenverQwest Corp.03/13/2002
(720) 559-landlineDenverTeleport Comms America02/27/1999
(720) 560-wirelessDenverCingular Wireless10/31/2000
(720) 561-landlineDenverQwest Corp.04/18/2008
(720) 562-landlineDenverQwest Corp.03/03/2001
(720) 563-landlineDenverQwest Corp.02/27/1999
(720) 564-landlineDenverQwest Corp.06/13/2000
(720) 565-landlineDenverQwest Corp.10/31/2000
(720) 566-landlineDenverQwest Corp.10/31/2000
(720) 567-landlineDenverLevel 3 Comms07/22/1999
(720) 568-landlineDenverQwest Corp.02/27/2001
(720) 569-wirelessDenverLeap Wireless Intl DBA Cricket Comm10/08/2008
(720) 570-landlineDenverQwest Corp.10/13/1999
(720) 577-wirelessLevel 3 Comms07/03/2014
(720) 578-landlineDenverQwest Corp.06/30/2001
(720) 579-landlineDenverXo Colorado01/14/2000
(720) 580-landlineKeenesburgBandwidth.com03/15/2013
(720) 581-wirelessDenverSprint03/03/2001
(720) 583-landlineDenver360networks (usa)09/30/2010
(720) 585-wirelessDenverCommnet Wireless11/02/2012
(720) 587-landlineDenverAT&T Local02/27/1999
(720) 588-wirelessDenver365 Wireless10/17/2012
(720) 589-wirelessAuroraT-mobile USA04/30/2013
(720) 590-landlineDenver360networks (usa)02/05/2013
(720) 593-landlineDenverTw Telecom04/02/2014
(720) 596-landlineDenverTeleport Comms America02/27/1999
(720) 599-landlineDenverEschelon Telecom02/13/2012
(720) 600-landlineLongmont360networks (usa)12/20/2012
(720) 606-wirelessFort LuptonCingular Wireless08/12/2011
(720) 608-landlineIdaho SpringsBandwidth.com07/19/2010
(720) 609-wirelessCingular Wireless06/03/2014
(720) 612-wirelessDenverSprint07/22/2011
(720) 613-landlineHudsonMCI Metro ATS03/01/2013
(720) 618-wirelessVerizon Wireless07/10/2014
(720) 619-landlineIdaho SpringsBandwidth.com03/25/2014
(720) 620-wirelessDenverLeap Wireless Intl DBA Cricket Comm03/27/2002
(720) 621-wirelessDenverLeap Wireless Intl DBA Cricket Comm03/27/2002
(720) 622-landlineDenverQwest Corp.10/31/2000
(720) 623-landlineDenverNeutral Tandem02/17/2012
(720) 624-landlineDenverTeleport Comms America06/30/2001
(720) 625-landlineDenverMcleodusa Telecom Services09/20/2011
(720) 626-wirelessDenverVerizon Wireless01/11/2011
(720) 627-landlineDenverQwest Corp.03/06/2012
(720) 628-wirelessDenverLeap Wireless Intl DBA Cricket Comm03/04/2002
(720) 629-wirelessDenverLeap Wireless Intl DBA Cricket Comm03/04/2002
(720) 630-wirelessDenverCingular Wireless10/23/2013
(720) 633-wirelessDenverCingular Wireless12/28/2010
(720) 634-landlineBrightonMCI Metro ATS11/16/2012
(720) 635-wirelessDenverCingular Wireless02/27/1999
(720) 636-wirelessDenverVerizon Wireless11/13/2013
(720) 638-landlineDenverComcast Phone01/17/2013
(720) 639-wireless360networks (usa)05/14/2014
(720) 641-wirelessDenverSprint10/31/2000
(720) 644-landlineDenverMcleodusa Telecom Services04/01/2011
(720) 645-wirelessDenverT-mobile USA03/05/2014
(720) 648-wirelessDenverVerizon Wireless05/10/2011
(720) 652-landlineLongmontQwest Corp.03/03/2001
(720) 658-wirelessDenverTelstar Comms03/26/2010
(720) 660-wirelessDenverVerizon Wireless04/08/2014
(720) 663-landlineDenverBandwidth.com05/28/2008
(720) 666-landlineDenverPeerless Network05/23/2012
(720) 670-wirelessAuroraVerizon Wireless08/20/2000
(720) 675-wirelessDenverLeap Wireless Intl DBA Cricket Comm05/12/2009
(720) 683-landlineFort LuptonBandwidth.com05/15/2013
(720) 684-landlineLongmontIcg Telecom Group10/13/1999
(720) 685-landlineBrightonQwest Corp.06/13/2000
(720) 686-landlineDenverXo Colorado10/14/2010
(720) 689-landlineDenverBandwidth.com04/04/2011
(720) 690-wirelessDenverLeap Wireless Intl DBA Cricket Comm03/27/2002
(720) 708-landlineDenverTeliax08/12/2011
(720) 722-landlineDenverCenturylink Comms05/21/2010
(720) 723-landlineDenverEschelon Telecom02/04/2013
(720) 724-landlineDenverEschelon Telecom04/02/2013
(720) 726-landlineDenverComcast Phone10/29/2013
(720) 729-landlineKeenesburgBandwidth.com03/02/2012
(720) 732-wirelessDenverSprint05/10/1999
(720) 733-landlineDenverQwest Corp.06/13/2000
(720) 737-wirelessDenverVerizon Wireless12/13/2012
(720) 739-wirelessBandwidth.com04/29/2014
(720) 744-landlineAuroraQwest Corp.10/31/2000
(720) 746-landlineGoldenQwest Corp.05/10/1999
(720) 747-landlineAuroraQwest Corp.01/14/2000
(720) 748-landlineAuroraQwest Corp.07/22/1999
(720) 754-landlineDenverTw Telecom03/30/2010
(720) 763-wirelessDenverLeap Wireless Intl DBA Cricket Comm11/05/2009
(720) 767-wirelessT-mobile USA07/14/2014
(720) 771-wirelessDenverT-mobile USA08/20/2000
(720) 775-wirelessDenverLeap Wireless Intl DBA Cricket Comm10/14/2009
(720) 777-landlineAuroraQwest Corp.02/09/2006
(720) 785-landlineDenverTeleport Comms America02/27/1999
(720) 789-landlineAuroraLevel 3 Comms08/05/2011
(720) 800-landlineHenderson360networks (usa)11/08/2012
(720) 808-landlineAuroraBandwidth.com10/20/2010
(720) 810-wirelessAuroraVerizon Wireless08/20/2000
(720) 822-wirelessVerizon Wireless05/12/2014
(720) 833-landlineDenverQwest Corp.01/14/2000
(720) 834-landlineDenverTeleport Comms America02/27/1999
(720) 836-landlineDenverIcg Telecom Group10/13/1999
(720) 837-wirelessDenverSprint05/10/1999
(720) 838-wirelessDenverSprint05/10/1999
(720) 839-wirelessDenverSprint05/10/1999
(720) 840-wirelessDenverSprint05/10/1999
(720) 841-wirelessDenverSprint07/22/1999
(720) 842-landlineDenverQwest Corp.10/31/2000
(720) 847-landlineAuroraQwest Corp.11/05/2003
(720) 848-landlineAuroraQwest Corp.06/13/2000
(720) 849-wirelessDenverSprint07/22/1999
(720) 851-landlineDenverQwest Corp.05/10/1999
(720) 852-landlineDenverQwest Corp.06/30/2001
(720) 854-landlineDenverQwest Corp.10/31/2000
(720) 855-landlineDenverQwest Corp.07/22/1999
(720) 857-landlineAuroraQwest Corp.08/20/2000
(720) 858-landlineAuroraQwest Corp.01/14/2000
(720) 859-landlineAuroraQwest Corp.05/10/1999
(720) 862-landlineAuroraXo Colorado06/13/2000
(720) 863-landlineDenverXo Colorado06/13/2000
(720) 864-landlineLongmontQwest Corp.06/13/2000
(720) 865-landlineDenverIcg Telecom Group10/13/1999
(720) 870-landlineDenverQwest Corp.01/14/2000
(720) 872-landlineDenverQwest Corp.05/10/1999
(720) 873-landlineDenverQwest Corp.06/13/2000
(720) 874-landlineDenverQwest Corp.01/14/2000
(720) 875-landlineDenverQwest Corp.05/10/1999
(720) 876-landlineDenverQwest Corp.10/31/2000
(720) 877-landlineDenverIcg Telecom Group10/13/1999
(720) 878-landlineDenverIcg Telecom Group10/13/1999
(720) 879-landlineDenverIcg Telecom Group10/13/1999
(720) 880-landlineDenverIcg Telecom Group10/13/1999
(720) 881-landlineDenverIcg Telecom Group10/13/1999
(720) 882-landlineDenverIcg Telecom Group10/13/1999
(720) 883-landlineDenverIcg Telecom Group10/13/1999
(720) 884-landlineDenverQwest Corp.01/14/2000
(720) 885-wirelessDenverLeap Wireless Intl DBA Cricket Comm02/04/2010
(720) 886-landlineDenverQwest Corp.08/20/2000
(720) 887-landlineDenverQwest Corp.01/14/2000
(720) 888-landlineDenverLevel 3 Comms07/22/1999
(720) 889-landlineDenverXo Colorado10/31/2000
(720) 890-landlineDenverQwest Corp.07/22/1999
(720) 891-landlineDenverLevel 3 Comms12/17/2001
(720) 895-landlineDenverQwest Corp.07/22/1999
(720) 897-landlineDenverGlobal Crossing Local Services10/13/1999
(720) 898-landlineDenverQwest Corp.01/14/2000
(720) 903-landlineDenverGlobal Crossing Local Services10/13/1999
(720) 904-landlineDenverQwest Corp.07/22/1999
(720) 907-landlineDenverGlobal Crossing Local Services10/13/1999
(720) 913-landlineDenverIcg Telecom Group10/13/1999
(720) 917-landlineDenverQwest Corp.07/22/1999
(720) 920-landlineDenverTeleport Comms America02/27/1999
(720) 921-landlineDenverIcg Telecom Group10/13/1999
(720) 922-landlineDenverQwest Corp.08/20/2000
(720) 924-landlineSedaliaQwest Corp.10/31/2000
(720) 929-landlineDenverQwest Corp.10/13/1999
(720) 931-landlineDenverQwest Corp.10/13/1999
(720) 932-landlineDenverQwest Corp.08/20/2000
(720) 933-wirelessDenverT-mobile USA06/13/2000
(720) 934-wirelessDenverT-mobile USA06/13/2000
(720) 935-wirelessDenverT-mobile USA10/13/1999
(720) 936-wirelessDenverT-mobile USA10/13/1999
(720) 937-wirelessDenverT-mobile USA10/13/1999
(720) 938-wirelessDenverT-mobile USA06/13/2000
(720) 939-wirelessDenverT-mobile USA06/13/2000
(720) 940-wirelessDenverSprint10/13/1999
(720) 941-landlineDenverQwest Corp.10/13/1999
(720) 942-landlineDenverQwest Corp.08/20/2000
(720) 943-landlineDenverGlobal Crossing Local Services10/13/1999
(720) 944-landlineDenverQwest Corp.05/10/1999
(720) 945-landlineDenverQwest Corp.10/31/2000
(720) 946-landlineDenverQwest Corp.10/31/2000
(720) 947-landlineDenverQwest Corp.05/10/1999
(720) 949-landlineAuroraAT&T Local02/27/1999
(720) 951-wirelessAuroraVerizon Wireless07/22/1999
(720) 956-landlineDenverQwest Corp.06/30/2001
(720) 961-landlineDenverLevel 3 Comms10/13/1999
(720) 962-landlineDenverQwest Corp.05/10/1999
(720) 963-landlineDenverQwest Corp.01/14/2000
(720) 965-wirelessDenverT-mobile USA06/07/2013
(720) 971-wirelessDenverSprint05/10/1999
(720) 972-landlineDenverQwest Corp.04/23/2002
(720) 974-landlineDenverEschelon Telecom10/31/2000
(720) 975-landlineAuroraEschelon Telecom10/31/2000
(720) 977-landlineDenverQwest Corp.01/14/2000
(720) 979-wirelessDenverSprint05/10/1999
(720) 980-wirelessDenverSprint05/10/1999
(720) 981-landlineDenverQwest Corp.05/10/1999
(720) 982-wirelessDenverSprint05/10/1999
(720) 984-wirelessDenverSprint05/10/1999
(720) 985-wirelessDenverSprint05/10/1999
(720) 987-wirelessDenverSprint05/10/1999
(720) 988-wirelessDenverSprint05/10/1999
(720) 989-wirelessDenverSprint05/10/1999
(720) 998-landlineAuroraComcast Phone12/01/2006
(720) 999-landlineDenverDishnet Wireline07/22/2008