Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 303-524
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-02-18 |
|
| 303-524
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-524
| 7 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-524
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-524
| 9 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-525
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-526
| A |
LKMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-03-26 |
|
| 303-526
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-03-26 |
|
| 303-526
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-527
| A |
BLDRCOGBRS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-528
| A |
ENWDCOVF0MD |
9748 AMERICAN MESSAGING SERVICES, LLC |
656 |
|
|
|
| 303-529
| A |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 303-529
| 0 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 1 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 2 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 3 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 4 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 5 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 6 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 8 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 9 |
|
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-530
| A |
BLDRCOGBRS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-531
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-531
| 0 |
|
026D ONVOY, LLC - CO |
656 |
|
2007-09-06 |
|
| 303-531
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-531
| 2 |
|
026D ONVOY, LLC - CO |
656 |
|
2007-09-06 |
|
| 303-531
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-531
| 4 |
|
026D ONVOY, LLC - CO |
656 |
|
2002-07-24 |
|
| 303-531
| 5 |
|
026D ONVOY, LLC - CO |
656 |
|
2002-07-24 |
|
| 303-531
| 6 |
|
026D ONVOY, LLC - CO |
656 |
|
2002-07-24 |
|
| 303-531
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2002-07-24 |
|
| 303-531
| 8 |
|
026D ONVOY, LLC - CO |
656 |
|
2002-07-24 |
|
| 303-531
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-533
| A |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-534
| A |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-537
| A |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-537
| 0 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-537
| 1 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-537
| 2 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-537
| 3 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-537
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-537
| 5 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-537
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-537
| 7 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-537
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-537
| 9 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-538
| A |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-539
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-540
| A |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
| 303-541
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-542
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-543
| A |
TEMACOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-544
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-545
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-546
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-547
| A |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-547
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2004-12-14 |
|
| 303-547
| 1 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-547
| 2 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2004-12-14 |
|
| 303-547
| 3 |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-547
| 4 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2004-12-14 |
|
| 303-547
| 5 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2004-12-14 |
|
| 303-547
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2004-12-14 |
|
| 303-547
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2004-12-14 |
|
| 303-547
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-02-18 |
|
| 303-547
| 9 |
|
026D ONVOY, LLC - CO |
656 |
|
2024-12-14 |
|
| 303-548
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-549
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-550
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-551
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-551
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-551
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-551
| 2 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-10-08 |
|
| 303-551
| 3 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-10-08 |
|
| 303-551
| 4 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-10-08 |
|
| 303-551
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-10-08 |
|
| 303-551
| 6 |
|
026D ONVOY, LLC - CO |
656 |
|
2007-05-20 |
|
| 303-551
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2007-05-20 |
|
| 303-551
| 8 |
|
026D ONVOY, LLC - CO |
656 |
|
2007-05-20 |
|
| 303-551
| 9 |
|
026D ONVOY, LLC - CO |
656 |
|
2007-05-20 |
|
| 303-552
| A |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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