Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-301
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-302
| A |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-302
| 0 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-302
| 1 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-302
| 2 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-302
| 3 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-11-11 |
|
| 720-302
| 4 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-302
| 5 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-302
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-302
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-302
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-302
| 9 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-303
| A |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2024-04-18 |
|
| 720-303
| 0 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2024-04-18 |
|
| 720-303
| 1 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2024-04-18 |
|
| 720-303
| 2 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2024-04-18 |
|
| 720-303
| 3 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2024-04-18 |
|
| 720-303
| 4 |
|
026D ONVOY, LLC - CO |
656 |
|
2024-06-30 |
|
| 720-303
| 5 |
|
026D ONVOY, LLC - CO |
656 |
|
2024-06-30 |
|
| 720-303
| 6 |
|
732J NUSO, LLC |
656 |
|
2024-08-02 |
|
| 720-303
| 7 |
|
732J NUSO, LLC |
656 |
|
2024-08-02 |
|
| 720-303
| 8 |
|
026D ONVOY, LLC - CO |
656 |
|
2024-04-21 |
|
| 720-303
| 9 |
|
026D ONVOY, LLC - CO |
656 |
|
2024-04-21 |
|
| 720-304
| A |
TEMACOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-304
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-304
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-304
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-304
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-304
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-304
| 5 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-03-06 |
|
| 720-304
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-304
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-304
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-304
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-305
| A |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-305
| 0 |
|
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-305
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-03-21 |
|
| 720-305
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-03-21 |
|
| 720-305
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-03-21 |
|
| 720-305
| 4 |
|
829J PAETEC ITEL, LLC |
656 |
|
2012-03-05 |
|
| 720-305
| 5 |
|
829J PAETEC ITEL, LLC |
656 |
|
2012-03-05 |
|
| 720-305
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2012-11-13 |
|
| 720-305
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2012-11-13 |
|
| 720-305
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2012-11-13 |
|
| 720-305
| 9 |
|
026D ONVOY, LLC - CO |
656 |
|
2012-05-14 |
|
| 720-306
| A |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 720-306
| 0 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-03-20 |
|
| 720-306
| 1 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-04-29 |
|
| 720-306
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2006-11-19 |
|
| 720-306
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2006-11-19 |
|
| 720-306
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2008-02-25 |
|
| 720-306
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2008-02-25 |
|
| 720-306
| 6 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 720-306
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2008-10-24 |
|
| 720-306
| 8 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-07-25 |
|
| 720-306
| 9 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2013-04-07 |
|
| 720-308
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-309
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-312
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-312
| 0 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-312
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-312
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-312
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-312
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-312
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-312
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-312
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-312
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-312
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-313
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-314
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-314
| 0 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-314
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-314
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-314
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-314
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-314
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-314
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-314
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-314
| 8 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 720-314
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-315
| A |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-315
| 0 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-02-06 |
|
| 720-315
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-02-06 |
|
| 720-315
| 2 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-02-06 |
|
| 720-315
| 3 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-02-06 |
|
| 720-315
| 4 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-02-15 |
|
| 720-315
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-02-15 |
|
| 720-315
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-02-15 |
|
| 720-315
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2009-12-05 |
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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