Local Calling Guide
Area code/prefix search
NPA: 303
[Rate centres in NPA 303]
[Dial plan for NPA 303]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 303-453
| A |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-453
| 0 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-453
| 1 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-453
| 2 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-453
| 3 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-453
| 4 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-453
| 5 |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-453
| 6 |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-453
| 7 |
Denver |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2024-03-25 |
|
| 303-453
| 8 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-453
| 9 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2006-07-18 |
|
| 303-454
| A |
Denver |
CO |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-455
| A |
Denver |
CO |
DNVRCONODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-456
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-457
| A |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-457
| 0 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-457
| 1 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-457
| 2 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-457
| 3 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-457
| 4 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-457
| 5 |
Denver |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2006-03-26 |
|
| 303-457
| 6 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-457
| 7 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-457
| 8 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-457
| 9 |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-458
| A |
Denver |
CO |
DNVRCONODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-459
| A |
Denver |
CO |
WARDCOMARS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-459
| 0 |
Denver |
CO |
WARDCOMARS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-459
| 1 |
Denver |
CO |
WARDCOMARS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-459
| 2 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-07-18 |
|
| 303-459
| 3 |
Denver |
CO |
WARDCOMARS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-459
| 4 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-07-18 |
|
| 303-459
| 5 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-02-16 |
|
| 303-459
| 6 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-02-16 |
|
| 303-459
| 7 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-07-18 |
|
| 303-459
| 8 |
Denver |
CO |
DNVRCOMBDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-459
| 9 |
Denver |
CO |
WARDCOMARS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-460
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-461
| A |
Denver |
CO |
DNVRCOMAXTZ |
6630 SPOK, INC. |
656 |
|
|
|
| 303-462
| A |
Denver |
CO |
LKWDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-463
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-464
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-465
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-466
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-467
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-468
| A |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 303-468
| 0 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-06-18 |
|
| 303-468
| 1 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2001-07-15 |
|
| 303-468
| 2 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-06-18 |
|
| 303-468
| 3 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-06-18 |
|
| 303-468
| 4 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-06-18 |
|
| 303-468
| 5 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-12-08 |
|
| 303-468
| 6 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-12-08 |
|
| 303-468
| 7 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-12-08 |
|
| 303-468
| 8 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-12-08 |
|
| 303-468
| 9 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-12-08 |
|
| 303-469
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-470
| A |
Denver |
CO |
LTTNCOHLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-471
| A |
Denver |
CO |
LTTNCOHLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-472
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-472
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-472
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-472
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-472
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-472
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-472
| 5 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-472
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-472
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-472
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-472
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-473
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-474
| A |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-474
| 0 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-474
| 1 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-474
| 2 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-474
| 3 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-474
| 4 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-474
| 5 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-474
| 6 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-474
| 7 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-474
| 8 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-474
| 9 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-475
| A |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 303-476
| A |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-476
| 0 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-11-04 |
|
| 303-476
| 1 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-10-01 |
|
| 303-476
| 2 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-476
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2006-10-15 |
|
| 303-476
| 4 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-476
| 5 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-476
| 6 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-09-06 |
|
| 303-476
| 7 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-476
| 8 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2006-07-31 |
|
| 303-476
| 9 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-477
| A |
Denver |
CO |
DNVRCONODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-478
| A |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 303-479
| A |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-479
| 0 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-479
| 1 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-479
| 2 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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