Phone Number Prefixes in the 720 Area Code - Page 3

PrefixUsagePrimary CityCarrierIntroduced
(720) 304   WirelessDenverQwest Corp.02/27/1999
(720) 305   WirelessDenverTw Telecom01/29/2001
(720) 306   WirelessDenverEschelon Telecom01/29/2001
(720) 307   WirelessLyonsAT&T Local08/02/2012
(720) 308   WirelessDenverCingular Wireless08/14/2001
(720) 309   WirelessDenverLeap Wireless Intl DBA Cricket Comm12/05/2001
(720) 310   WirelessLyonsTeleport Comms America05/10/1999
(720) 312   WirelessDenverSprint02/20/2001
(720) 313   WirelessDenverSprint02/20/2001
(720) 314   WirelessDenverSprint02/20/2001
(720) 315   WirelessDenver360networks (usa)10/14/2009
(720) 316   WirelessDenverBandwidth.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   WirelessDenverQwest Corp.05/29/2008
(720) 322   WirelessDenverQwest Corp.10/31/2000
(720) 323   WirelessDenverT-mobile USA03/03/2001
(720) 324   WirelessAuroraComcast 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   WirelessDenverComcast Phone10/20/2009
(720) 329   WirelessDenverLeap Wireless Intl DBA Cricket Comm10/18/2001
(720) 330   WirelessDenverIcg Telecom Group02/27/1999
(720) 331   WirelessDenverSprint08/20/2000
(720) 332   WirelessDenverMCI Metro ATS02/27/1999
(720) 333   WirelessDenverSprint05/14/2001
(720) 334   WirelessDenverSprint05/14/2001
(720) 335   WirelessDenverSprint05/14/2001
(720) 336   WirelessKeenesburgBandwidth.com07/19/2010
(720) 337   WirelessDenverQwest 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) 343   WirelessAuroraLevel 3 Comms10/31/2003
(720) 344   WirelessLittletonQwest Corp.10/13/1999
(720) 345   WirelessDenverZippytech Incorporated12/28/2007
(720) 346   WirelessDenverVerizon Wireless02/27/1999
(720) 347   WirelessDenverTw Telecom09/28/2009
(720) 348   WirelessLittletonQwest Corp.10/31/2000
(720) 350   WirelessDenverSprint02/27/1999
(720) 351   WirelessDenverSprint02/27/1999
(720) 352   WirelessDenverT-mobile USA02/27/1999
(720) 353   WirelessDenverSprint02/27/1999
(720) 354   WirelessDenverTw Telecom06/30/2011
(720) 355   WirelessDenverVerizon Wireless08/16/2012
(720) 356   WirelessDenverAT&T Local02/27/1999