Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-286
| 4 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2002-06-22 |
|
| 720-286
| 5 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2002-06-22 |
|
| 720-286
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2002-06-22 |
|
| 720-286
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2002-06-22 |
|
| 720-286
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2002-06-22 |
|
| 720-286
| 9 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2002-06-22 |
|
| 720-287
| A |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 720-287
| 0 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2010-06-14 |
|
| 720-287
| 1 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2010-06-14 |
|
| 720-287
| 2 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2010-06-14 |
|
| 720-287
| 3 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2010-06-14 |
|
| 720-287
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2010-06-14 |
|
| 720-287
| 5 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2010-06-16 |
|
| 720-287
| 6 |
|
026D ONVOY, LLC - CO |
656 |
|
2010-07-23 |
|
| 720-287
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2010-07-23 |
|
| 720-287
| 8 |
|
026D ONVOY, LLC - CO |
656 |
|
2010-07-23 |
|
| 720-287
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-03-18 |
|
| 720-288
| A |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
| 720-288
| 0 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-04-29 |
|
| 720-288
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-07-02 |
|
| 720-288
| 2 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-08-23 |
|
| 720-288
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2010-07-02 |
|
| 720-288
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2010-07-02 |
|
| 720-288
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2010-08-12 |
|
| 720-288
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2010-08-12 |
|
| 720-288
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2010-08-12 |
|
| 720-288
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2010-07-02 |
|
| 720-288
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2010-07-02 |
|
| 720-289
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-290
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-290
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-290
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-290
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-290
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-290
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-290
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-290
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-290
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-290
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-290
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-291
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-292
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-292
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2009-04-18 |
|
| 720-292
| 1 |
|
026D ONVOY, LLC - CO |
656 |
|
2009-08-02 |
|
| 720-292
| 2 |
|
026D ONVOY, LLC - CO |
656 |
|
2009-08-02 |
|
| 720-292
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-08-20 |
|
| 720-292
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-08-20 |
|
| 720-292
| 5 |
|
829J PAETEC ITEL, LLC |
656 |
|
2009-05-25 |
|
| 720-292
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2009-05-29 |
|
| 720-292
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2009-05-29 |
|
| 720-292
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2009-05-29 |
|
| 720-292
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2009-05-29 |
|
| 720-293
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-294
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-295
| A |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
| 720-295
| 0 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-01 |
|
| 720-295
| 1 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-01 |
|
| 720-295
| 2 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-01 |
|
| 720-295
| 3 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-01 |
|
| 720-295
| 4 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-01 |
|
| 720-295
| 5 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-01 |
|
| 720-295
| 6 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-01 |
|
| 720-295
| 7 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-01 |
|
| 720-295
| 8 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-01 |
|
| 720-295
| 9 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-01 |
|
| 720-296
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-297
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-298
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-299
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-300
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-300
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-300
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-300
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-04-01 |
|
| 720-300
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-04-01 |
|
| 720-300
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-300
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-300
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-300
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-300
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2007-04-01 |
|
| 720-300
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-301
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-301
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-301
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-301
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-301
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-301
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-301
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-301
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-301
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-301
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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