Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-847
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
2003-12-27 |
|
| 720-847
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
2003-12-27 |
|
| 720-847
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
2003-12-27 |
|
| 720-847
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
2003-12-27 |
|
| 720-847
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
2003-12-27 |
|
| 720-847
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
2003-12-27 |
|
| 720-848
| A |
AURRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-849
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-849
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-849
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-849
| 2 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-849
| 3 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-849
| 4 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-849
| 5 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-849
| 6 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-849
| 7 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-849
| 8 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-849
| 9 |
|
5562 METROPCS, INC. |
656 |
|
|
|
| 720-850
| A |
DNVRCO26XYX |
598J FIVE9, INC. |
656 |
|
|
|
| 720-850
| 0 |
|
598J FIVE9, INC. |
656 |
|
2021-07-11 |
|
| 720-850
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2021-08-29 |
|
| 720-850
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2021-08-29 |
|
| 720-850
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2021-08-29 |
|
| 720-850
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2021-08-29 |
|
| 720-850
| 5 |
|
026D ONVOY, LLC - CO |
656 |
|
2021-07-12 |
|
| 720-850
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2021-08-29 |
|
| 720-850
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2021-08-29 |
|
| 720-850
| 8 |
|
026D ONVOY, LLC - CO |
656 |
|
2021-07-12 |
|
| 720-850
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2021-08-29 |
|
| 720-851
| A |
PRKRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-852
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-854
| A |
DNVRCONODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-854
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-854
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-854
| 2 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
|
|
| 720-854
| 3 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
|
|
| 720-854
| 4 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-12-17 |
|
| 720-854
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-12-17 |
|
| 720-854
| 6 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
|
|
| 720-854
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-854
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-12-17 |
|
| 720-854
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-12-17 |
|
| 720-855
| A |
DNVRCONODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-855
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-855
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-855
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-855
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-855
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-855
| 5 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-02-27 |
|
| 720-855
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-855
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-855
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-855
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-857
| A |
AURRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-858
| A |
AURRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-859
| A |
AURRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-860
| A |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
|
|
| 720-860
| 0 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-10-14 |
|
| 720-860
| 1 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-10-14 |
|
| 720-860
| 2 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-10-14 |
|
| 720-860
| 3 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-10-14 |
|
| 720-860
| 4 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-10-14 |
|
| 720-860
| 5 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-10-14 |
|
| 720-860
| 6 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-10-14 |
|
| 720-860
| 7 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-10-14 |
|
| 720-860
| 8 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-10-14 |
|
| 720-860
| 9 |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-10-14 |
|
| 720-862
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-862
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2009-02-23 |
|
| 720-862
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-862
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2009-02-23 |
|
| 720-862
| 3 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-05-21 |
|
| 720-862
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-862
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-862
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-07-12 |
|
| 720-862
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-07-31 |
|
| 720-862
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-07-31 |
|
| 720-862
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-07-31 |
|
| 720-863
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-863
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-863
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-863
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-863
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2008-10-26 |
|
| 720-863
| 4 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-09-18 |
|
| 720-863
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2008-10-26 |
|
| 720-863
| 6 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-04-07 |
|
| 720-863
| 7 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-04-07 |
|
| 720-863
| 8 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2011-10-21 |
|
| 720-863
| 9 |
|
732J NUSO, LLC |
656 |
|
2024-12-04 |
|
| 720-865
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-866
| A |
DNVRCO26XSX |
145J TERRA NOVA TELECOM INC. |
656 |
|
|
|
| 720-866
| 0 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2019-04-22 |
|
| 720-866
| 1 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2019-04-22 |
|
| 720-866
| 2 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2019-04-22 |
|
| 720-866
| 3 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2019-04-22 |
|
| 720-866
| 4 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2019-04-22 |
|
| 720-866
| 5 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2019-04-22 |
|
| 720-866
| 6 |
|
145J TERRA NOVA TELECOM INC. |
656 |
|
2019-04-21 |
|
| 720-866
| 7 |
|
829J PAETEC ITEL, LLC |
656 |
|
2019-04-25 |
|
| 720-866
| 8 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2019-05-02 |
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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