Local Calling Guide
Area code/prefix search
NPA: 303
[Rate centres in NPA 303]
[Dial plan for NPA 303]
Block: A
<< 1 2 3 4 5 6 7 8 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 303-402
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-403
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-404
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-405
| A |
Denver |
CO |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-406
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-407
| A |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 303-408
| A |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 303-409
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-410
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-412
| A |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-413
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-414
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-415
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-416
| A |
Denver |
CO |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-417
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-418
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-419
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-420
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-421
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-422
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-423
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-424
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-425
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-426
| A |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-427
| A |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-428
| A |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-429
| A |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-430
| A |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-431
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-432
| A |
Denver |
CO |
ARVDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-433
| A |
Denver |
CO |
DNVRCONODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-434
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-435
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-436
| A |
Denver |
CO |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-437
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-438
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-439
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-440
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-441
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-442
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-443
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-444
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-445
| A |
Denver |
CO |
LKWDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-446
| A |
Denver |
CO |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-447
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-448
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-449
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-450
| A |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-451
| A |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-452
| A |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-453
| A |
Denver |
CO |
NGLNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 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 |
|
|
|
| 303-458
| A |
Denver |
CO |
DNVRCONODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-459
| A |
Denver |
CO |
WARDCOMARS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-460
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-461
| A |
Denver |
CO |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, 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 |
|
|
|
| 303-469
| 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 |
|
|
|
| 303-473
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-474
| A |
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 |
|
|
|
| 303-477
| 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 |
|
|
|
| 303-480
| A |
Denver |
CO |
DNVRCONODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-481
| A |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-482
| A |
Denver |
CO |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-483
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-484
| A |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-485
| A |
Longmont |
CO |
LNMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-486
| A |
Denver |
CO |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-487
| A |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-488
| A |
Denver |
CO |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-489
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-490
| A |
Denver |
CO |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
| 303-491
| A |
Denver |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
|
|
| 303-492
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-493
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-494
| A |
Denver |
CO |
TEMACOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-495
| A |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-496
| A |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-497
| A |
Denver |
CO |
TEMACOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-498
| A |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-499
| A |
Denver |
CO |
TEMACOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-500
| A |
Hudson |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-501
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-502
| A |
Fort Lupton |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
<< 1 2 3 4 5 6 7 8 >>
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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