Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-249
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-249
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-249
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-249
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-249
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-249
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-10-02 |
|
| 720-249
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-10-02 |
|
| 720-249
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-10-02 |
|
| 720-249
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-10-02 |
|
| 720-250
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-250
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-250
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
2004-06-07 |
|
| 720-250
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
2004-06-07 |
|
| 720-250
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
2004-06-07 |
|
| 720-250
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
2004-06-07 |
|
| 720-250
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
2004-06-07 |
|
| 720-250
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-09-24 |
|
| 720-250
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-09-24 |
|
| 720-250
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-09-24 |
|
| 720-250
| 9 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-10-09 |
|
| 720-251
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-251
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-10-02 |
|
| 720-251
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-06-10 |
|
| 720-251
| 2 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-09-18 |
|
| 720-251
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-10-02 |
|
| 720-251
| 4 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-251
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-03-05 |
|
| 720-251
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-08-06 |
|
| 720-251
| 7 |
|
490J DISH WIRELESS, LLC |
656 |
|
2024-09-07 |
|
| 720-251
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2006-07-09 |
|
| 720-251
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-08-06 |
|
| 720-252
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-252
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-10-25 |
|
| 720-252
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-10-25 |
|
| 720-252
| 2 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-01-11 |
|
| 720-252
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-252
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-252
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-252
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-252
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-252
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-252
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-253
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-253
| 0 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-10-09 |
|
| 720-253
| 1 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-10-09 |
|
| 720-253
| 2 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-01-11 |
|
| 720-253
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-253
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-253
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-253
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-253
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-253
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-253
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-254
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-254
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-06-11 |
|
| 720-254
| 1 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 720-254
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-06-11 |
|
| 720-254
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-254
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-254
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-254
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-254
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-254
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-254
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-255
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-255
| 0 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-10-09 |
|
| 720-255
| 1 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 720-255
| 2 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-03-17 |
|
| 720-255
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-255
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-255
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-255
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-255
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-255
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-255
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-256
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-256
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-11-11 |
|
| 720-256
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-07 |
|
| 720-256
| 2 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-10-09 |
|
| 720-256
| 3 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-07 |
|
| 720-256
| 4 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-07 |
|
| 720-256
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-256
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-07 |
|
| 720-256
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-07 |
|
| 720-256
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-07 |
|
| 720-256
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-257
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-257
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-257
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-04-06 |
|
| 720-257
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-04-06 |
|
| 720-257
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-04-06 |
|
| 720-257
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-04-06 |
|
| 720-257
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2006-09-14 |
|
| 720-257
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2006-09-14 |
|
| 720-257
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2006-09-14 |
|
| 720-257
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-11-29 |
|
| 720-257
| 9 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 720-258
| A |
DNVRCOMDDS1 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-258
| 0 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-258
| 1 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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