Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 303-974
| 6 |
|
829J PAETEC ITEL, LLC |
656 |
|
2007-07-22 |
|
| 303-974
| 7 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2006-07-28 |
|
| 303-974
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2005-02-26 |
|
| 303-974
| 9 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-975
| A |
DNVRCOWSDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-975
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-975
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-975
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-975
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-975
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-975
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-975
| 6 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2006-12-29 |
|
| 303-975
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-975
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-975
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-977
| A |
DNVRCOCLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-978
| A |
DNVRCOCLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-979
| A |
DNVRCOCLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-980
| A |
DNVRCOSWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-981
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-982
| A |
GLDNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-984
| A |
DNVRCOSWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-985
| A |
DNVRCOSWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-986
| A |
DNVRCOSWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-987
| A |
DNVRCOSWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-988
| A |
DNVRCOSWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-989
| A |
DNVRCOSWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-991
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-992
| A |
DNVRCOCPDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-993
| A |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 303-993
| 0 |
|
026D ONVOY, LLC - CO |
656 |
|
2007-05-26 |
|
| 303-993
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2007-06-26 |
|
| 303-993
| 2 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-07-16 |
|
| 303-993
| 3 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-07-16 |
|
| 303-993
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-07-16 |
|
| 303-993
| 5 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-07-16 |
|
| 303-993
| 6 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-07-16 |
|
| 303-993
| 7 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-07-16 |
|
| 303-993
| 8 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-07-16 |
|
| 303-993
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-11-05 |
|
| 303-994
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-994
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-994
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-994
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-994
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-994
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-994
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-994
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-994
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-994
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-994
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-995
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-996
| A |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 303-997
| A |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-997
| 0 |
|
026D ONVOY, LLC - CO |
656 |
|
2006-01-27 |
|
| 303-997
| 1 |
|
026D ONVOY, LLC - CO |
656 |
|
2006-01-27 |
|
| 303-997
| 2 |
|
026D ONVOY, LLC - CO |
656 |
|
2007-01-27 |
|
| 303-997
| 3 |
|
026D ONVOY, LLC - CO |
656 |
|
2007-01-27 |
|
| 303-997
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-03-17 |
|
| 303-997
| 5 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-03-17 |
|
| 303-997
| 6 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-03-17 |
|
| 303-997
| 7 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-03-17 |
|
| 303-997
| 8 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-03-17 |
|
| 303-997
| 9 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-03-17 |
|
| 303-998
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-999
| A |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-999
| 0 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2007-10-30 |
|
| 303-999
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-06-01 |
|
| 303-999
| 2 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2008-02-04 |
|
| 303-999
| 3 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2008-05-03 |
|
| 303-999
| 4 |
|
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
2008-05-07 |
|
| 303-999
| 5 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-06-01 |
|
| 303-999
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-06-01 |
|
| 303-999
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-06-01 |
|
| 303-999
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 303-999
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-200
| A |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-201
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-202
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-202
| 0 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-21 |
|
| 720-202
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-21 |
|
| 720-202
| 2 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-12-08 |
|
| 720-202
| 3 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-12-08 |
|
| 720-202
| 4 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-12-28 |
|
| 720-202
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-12-28 |
|
| 720-202
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-01-11 |
|
| 720-202
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-01-11 |
|
| 720-202
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-01-07 |
|
| 720-202
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-01-07 |
|
| 720-203
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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