Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-326
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2011-07-28 |
|
| 720-326
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2011-07-28 |
|
| 720-326
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2011-07-28 |
|
| 720-327
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-328
| A |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 720-328
| 0 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2009-12-04 |
|
| 720-328
| 1 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2009-12-04 |
|
| 720-328
| 2 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2009-12-04 |
|
| 720-328
| 3 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2009-12-04 |
|
| 720-328
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2009-12-04 |
|
| 720-328
| 5 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2010-05-05 |
|
| 720-328
| 6 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2010-05-05 |
|
| 720-328
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2010-05-24 |
|
| 720-328
| 8 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2010-05-05 |
|
| 720-328
| 9 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2010-05-05 |
|
| 720-329
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-330
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-330
| 0 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-330
| 1 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-330
| 2 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-330
| 3 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-330
| 4 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-330
| 5 |
|
026D ONVOY, LLC - CO |
656 |
|
2021-08-25 |
|
| 720-330
| 6 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-330
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2008-02-27 |
|
| 720-330
| 8 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-330
| 9 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-331
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-331
| 0 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-331
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-331
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-331
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-331
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-331
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-331
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-331
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-331
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-331
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-332
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-333
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-333
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-333
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-333
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-333
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-333
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-333
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-333
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-333
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-333
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-333
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-334
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-334
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-334
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-334
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-334
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-334
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-334
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-334
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-334
| 7 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 720-334
| 8 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 720-334
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-335
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-335
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-335
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-335
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-335
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-335
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-335
| 5 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2009-09-28 |
|
| 720-335
| 6 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2008-03-03 |
|
| 720-335
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-03-09 |
|
| 720-335
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-03-09 |
|
| 720-335
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-337
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-337
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-338
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-339
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 2 |
|
026D ONVOY, LLC - CO |
656 |
|
2009-09-15 |
|
| 720-339
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-341
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-342
| A |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-342
| 0 |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 1 |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 2 |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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