Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-342
| 3 |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 4 |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 5 |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 6 |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 7 |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 8 |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 9 |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-343
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-343
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-08-10 |
|
| 720-343
| 1 |
|
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 2 |
|
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 3 |
|
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 4 |
|
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 5 |
|
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-05-31 |
|
| 720-343
| 7 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2003-12-22 |
|
| 720-343
| 8 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2003-12-22 |
|
| 720-343
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-08-10 |
|
| 720-344
| A |
LTTNCOHLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-345
| A |
DNVRCOMAGT7 |
588A ZIPPYTECH INCORPORATED |
656 |
|
|
|
| 720-345
| 0 |
|
588A ZIPPYTECH INCORPORATED |
656 |
|
2008-02-29 |
|
| 720-345
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 5 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2008-06-30 |
|
| 720-345
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
2008-06-30 |
|
| 720-345
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-345
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-345
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-346
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-346
| 0 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 2 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 3 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-06-22 |
|
| 720-346
| 4 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-06-22 |
|
| 720-346
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2025-01-15 |
|
| 720-346
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2009-09-15 |
|
| 720-346
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-06-22 |
|
| 720-346
| 9 |
|
732J NUSO, LLC |
656 |
|
2024-12-04 |
|
| 720-347
| A |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-347
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 4 |
|
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
2009-11-12 |
|
| 720-347
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-13 |
|
| 720-347
| 6 |
|
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
2009-11-12 |
|
| 720-347
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-13 |
|
| 720-347
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-13 |
|
| 720-347
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-13 |
|
| 720-348
| A |
LTTNCOHLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-349
| A |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-349
| 0 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 1 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 2 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 3 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 4 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 5 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-349
| 9 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2011-05-19 |
|
| 720-350
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-350
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-350
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-350
| 2 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 3 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2008-03-03 |
|
| 720-350
| 5 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 6 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 7 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 8 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-350
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-351
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-351
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-351
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-351
| 3 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| 4 |
|
026D ONVOY, LLC - CO |
656 |
|
2008-02-14 |
|
| 720-351
| 5 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| 6 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| 7 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| 8 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-351
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-352
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-353
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-353
| 0 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-353
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-353
| 2 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-353
| 3 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-353
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2008-03-03 |
|
| 720-353
| 5 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-353
| 6 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-353
| 7 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-353
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-353
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-354
| A |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-354
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2011-08-23 |
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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