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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-402 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-403 A Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-404 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-405 A Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656      
720-406 A Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
720-407 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-408 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-409 A Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-410 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-412 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-413 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-414 A Allens Park-Lyons CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-415 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-416 A Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656      
720-417 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-418 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-419 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-420 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-421 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-422 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-423 A Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656      
720-424 A Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656      
720-425 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-426 A Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656      
720-427 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-428 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-429 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-430 A Denver CO DNVRCOMAX5Z  7421 AT&T - LOCAL 656      
720-431 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-432 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-433 A Denver CO CSRKCONMDS0  9636 QWEST CORPORATION 656      
720-434 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-435 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-436 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-437 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-438 A Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-439 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-440 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-441 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-442 A Longmont CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-443 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-444 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-445 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-446 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-447 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-448 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-449 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-450 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-451 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-452 A Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-453 A Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-454 A Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-455 A Denver CO CSRKCONMDS0  9636 QWEST CORPORATION 656      
720-456 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-457 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-458 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-459 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-460 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-461 A Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656      
720-462 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-463 A Deckers CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-464 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-465 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-466 A Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-467 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-468 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-469 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-470 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-471 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-472 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-473 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-474 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-475 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-476 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-477 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-478 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-479 A Denver CO DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-480 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-481 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-482 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-483 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-484 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-485 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-486 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-487 A Longmont CO DNVRCO26XIX  073H TELNYX LLC 656      
720-488 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-489 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-490 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-491 A Longmont CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-492 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-493 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-494 A Longmont CO LNMTCOMADS1  9636 QWEST CORPORATION 656      
720-495 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-496 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-497 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
720-498 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-499 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-500 A Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-501 A Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656      
720-502 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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