Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-263
| 5 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-09-28 |
|
| 720-263
| 6 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-11 |
|
| 720-263
| 7 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-11 |
|
| 720-263
| 8 |
|
732J NUSO, LLC |
656 |
|
2024-12-04 |
|
| 720-263
| 9 |
|
026D ONVOY, LLC - CO |
656 |
|
2017-06-22 |
|
| 720-264
| A |
DNVRCOCPDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-265
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-265
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2004-06-24 |
|
| 720-265
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2004-06-24 |
|
| 720-265
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2004-07-24 |
|
| 720-265
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2004-06-24 |
|
| 720-265
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2004-06-24 |
|
| 720-265
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2004-06-24 |
|
| 720-265
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2004-06-24 |
|
| 720-265
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2004-06-24 |
|
| 720-265
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2004-06-24 |
|
| 720-265
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2004-06-24 |
|
| 720-266
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-266
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-07-17 |
|
| 720-266
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-07-17 |
|
| 720-266
| 2 |
|
829J PAETEC ITEL, LLC |
656 |
|
2008-12-19 |
|
| 720-266
| 3 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-05-19 |
|
| 720-266
| 4 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-266
| 5 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2005-01-22 |
|
| 720-266
| 6 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2005-08-25 |
|
| 720-266
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2006-01-09 |
|
| 720-266
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-04-02 |
|
| 720-266
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-04-02 |
|
| 720-267
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-268
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-269
| A |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-269
| 0 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-269
| 1 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-269
| 2 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-269
| 3 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-269
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 720-269
| 5 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-269
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-269
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-269
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-269
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-05-19 |
|
| 720-270
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-270
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-07-17 |
|
| 720-270
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-270
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-270
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-270
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-270
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-270
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-270
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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