Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-203
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 720-203
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 720-203
| 2 |
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6529 T-MOBILE USA, INC. |
656 |
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| 720-203
| 3 |
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6529 T-MOBILE USA, INC. |
656 |
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| 720-203
| 4 |
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6529 T-MOBILE USA, INC. |
656 |
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| 720-203
| 5 |
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6529 T-MOBILE USA, INC. |
656 |
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| 720-203
| 6 |
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6529 T-MOBILE USA, INC. |
656 |
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| 720-203
| 7 |
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6529 T-MOBILE USA, INC. |
656 |
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| 720-203
| 8 |
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6529 T-MOBILE USA, INC. |
656 |
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| 720-203
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
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|
| 720-205
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
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| 720-205
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 720-205
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
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| 720-205
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 720-205
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
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| 720-205
| 4 |
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6529 T-MOBILE USA, INC. |
656 |
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| 720-205
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 720-205
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
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| 720-205
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
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| 720-205
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
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| 720-205
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-206
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
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|
| 720-206
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-206
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
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| 720-206
| 2 |
|
732J NUSO, LLC |
656 |
|
2025-07-19 |
|
| 720-206
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2004-09-17 |
|
| 720-206
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2004-09-17 |
|
| 720-206
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-10-20 |
|
| 720-206
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2004-11-12 |
|
| 720-206
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-05-28 |
|
| 720-206
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-02-04 |
|
| 720-207
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-207
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-207
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2004-07-22 |
|
| 720-207
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-207
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2004-09-02 |
|
| 720-207
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2004-09-25 |
|
| 720-207
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-207
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-207
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2004-12-24 |
|
| 720-207
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2004-12-24 |
|
| 720-207
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-208
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-208
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-208
| 1 |
|
026D ONVOY, LLC - CO |
656 |
|
2025-07-19 |
|
| 720-208
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-208
| 3 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2025-08-08 |
|
| 720-208
| 5 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2025-08-08 |
|
| 720-208
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-02-04 |
|
| 720-208
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-208
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-02-04 |
|
| 720-208
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2008-04-13 |
|
| 720-209
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-209
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-07-17 |
|
| 720-209
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-12 |
|
| 720-209
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-02-26 |
|
| 720-209
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-209
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-07-31 |
|
| 720-209
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
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| 720-209
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
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| 720-209
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
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| 720-209
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-07-31 |
|
| 720-209
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-210
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-210
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2025-08-08 |
|
| 720-210
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-210
| 2 |
|
5562 METROPCS, INC. |
656 |
|
2022-05-10 |
|
| 720-210
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-02-04 |
|
| 720-210
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-02-04 |
|
| 720-210
| 5 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-08-01 |
|
| 720-210
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-01-09 |
|
| 720-210
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-02-04 |
|
| 720-210
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-02-26 |
|
| 720-210
| 9 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-08-01 |
|
| 720-212
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-212
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-212
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-09-23 |
|
| 720-212
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-212
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-04-10 |
|
| 720-212
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-04-10 |
|
| 720-212
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-04-10 |
|
| 720-212
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-05-28 |
|
| 720-212
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-05-28 |
|
| 720-212
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-06-25 |
|
| 720-212
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-06-25 |
|
| 720-213
| A |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
|
|
| 720-213
| 0 |
|
829J PAETEC ITEL, LLC |
656 |
|
|
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| 720-213
| 1 |
|
829J PAETEC ITEL, LLC |
656 |
|
|
|
| 720-213
| 2 |
|
829J PAETEC ITEL, LLC |
656 |
|
|
|
| 720-213
| 3 |
|
829J PAETEC ITEL, LLC |
656 |
|
|
|
| 720-213
| 4 |
|
026D ONVOY, LLC - CO |
656 |
|
2008-04-11 |
|
| 720-213
| 5 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-30 |
|
| 720-213
| 6 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 720-213
| 7 |
|
829J PAETEC ITEL, LLC |
656 |
|
|
|
| 720-213
| 8 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 720-213
| 9 |
|
829J PAETEC ITEL, LLC |
656 |
|
|
|
| 720-214
| A |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
|
|
| 720-215
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-215
| 0 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-12-10 |
|
| 720-215
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-12-10 |
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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