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Phone Number Prefixes in the 720 Area Code - Page 5
| Prefix | Usage | Primary City | Carrier | Introduced |
|---|---|---|---|---|
| (720) 423 | Wireless | Denver | Qwest Corp. | 04/22/2004 |
| (720) 424 | Wireless | Denver | Qwest Corp. | 04/22/2004 |
| (720) 425 | Wireless | Denver | Verizon Wireless | 01/15/2008 |
| (720) 426 | Wireless | Denver | Qwest Corp. | 04/20/2010 |
| (720) 427 | Wireless | Aurora | T-mobile USA | 02/04/2002 |
| (720) 428 | Wireless | Denver | Broadvox-clec | 12/12/2011 |
| (720) 429 | Wireless | Denver | Leap Wireless Intl DBA Cricket Comm | 07/02/2008 |
| (720) 430 | Wireless | Denver | AT&T Local | 06/28/2012 |
| (720) 431 | Wireless | Denver | Cingular Wireless | 09/22/2010 |
| (720) 432 | Wireless | Denver | Bandwidth.com | 02/26/2010 |
| (720) 433 | Wireless | Denver | Mcleodusa Telecom Services | 02/12/2008 |
| (720) 434 | Wireless | Denver | Leap Wireless Intl DBA Cricket Comm | 06/30/2001 |
| (720) 435 | Wireless | Denver | Leap Wireless Intl DBA Cricket Comm | 06/30/2001 |
| (720) 436 | Wireless | Denver | Leap Wireless Intl DBA Cricket Comm | 06/30/2001 |
| (720) 437 | Wireless | Denver | Verizon Wireless | 02/08/2011 |
| (720) 438 | Wireless | Longmont | 360networks (usa) | 09/26/2006 |
| (720) 439 | Wireless | Denver | Leap Wireless Intl DBA Cricket Comm | 04/21/2010 |
| (720) 440 | Wireless | Denver | Leap Wireless Intl DBA Cricket Comm | 05/12/2010 |
| (720) 442 | Wireless | Longmont | Bandwidth.com | 04/04/2011 |
| (720) 443 | Wireless | Denver | Bandwidth.com | 10/07/2010 |
| (720) 444 | Wireless | Denver | Qwest Corp. | 01/14/2000 |
| (720) 445 | Wireless | Denver | Verizon Wireless | 09/15/2010 |
| (720) 447 | Wireless | Denver | Leap Wireless Intl DBA Cricket Comm | 02/22/2008 |
| (720) 448 | Wireless | Denver | Leap Wireless Intl DBA Cricket Comm | 04/09/2008 |
| (720) 449 | Wireless | Denver | Xo Colorado | 01/14/2000 |
| (720) 451 | Wireless | Denver | T-mobile USA | |
| (720) 452 | Wireless | Denver | Peerless Network | 12/28/2010 |
| (720) 453 | Wireless | Teleport Comms America | 06/12/2014 | |
| (720) 454 | Wireless | Denver | Mcleodusa Telecom Services | 08/11/2010 |
| (720) 455 | Wireless | Denver | Qwest Corp. | 07/02/2010 |
| (720) 456 | Wireless | Denver | Tw Telecom | 07/23/2013 |
| (720) 457 | Wireless | Denver | Level 3 Comms | 05/28/2008 |
| (720) 458 | Wireless | Denver | Tw Telecom | 09/27/2010 |
| (720) 459 | Wireless | Denver | Onvoy | 10/15/2010 |
| (720) 463 | Wireless | Sedalia | Onvoy | 02/05/2013 |
| (720) 465 | Wireless | Denver | Leap Wireless Intl DBA Cricket Comm | 01/03/2012 |
| (720) 468 | Wireless | Denver | Level 3 Comms | 12/17/2001 |
| (720) 469 | Wireless | Denver | Cingular Wireless | 09/23/2011 |
| (720) 470 | Wireless | Denver | Verizon Wireless | 08/20/2000 |
| (720) 472 | Wireless | Denver | Teleport Comms America | 05/10/1999 |
| (720) 473 | Wireless | Denver | Cbeyond Comms | 12/11/2007 |
| (720) 474 | Wireless | Denver | Sprint | 10/31/2011 |
| (720) 475 | Wireless | Denver | Teleport Comms America | 05/10/1999 |
| (720) 476 | Wireless | Cingular Wireless | 05/19/2014 | |
| (720) 477 | Wireless | Henderson | 360networks (usa) | 08/09/2011 |
| (720) 479 | Wireless | Denver | Teleport Comms America | 06/13/2000 |
| (720) 480 | Wireless | Denver | Cingular Wireless | 08/20/2000 |
| (720) 482 | Wireless | Denver | Qwest Corp. | 01/14/2000 |
| (720) 484 | Wireless | Denver | Eschelon Telecom | 07/18/2011 |
| (720) 485 | Wireless | Comcast Phone | 05/08/2014 |