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NPA: 983 [Rate centres in NPA 983] [Dial plan for NPA 983]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
983-333 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-02-19   
983-333 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-02-19   
983-333 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-02-19   
983-333 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-02-19   
983-333 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-02-19   
983-444 A Denver CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656   2024-04-01   
983-444 0 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2024-04-02   
983-444 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2024-04-02   
983-444 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2024-04-02   
983-444 3 Denver CO DNVRCO2669Z  490J BOOST SUBSCRIBERCO L.L.C. 656   2024-04-02   
983-444 4 Denver CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656   2024-04-01   
983-444 5 Denver CO DNVRCO2669Z  490J BOOST SUBSCRIBERCO L.L.C. 656   2024-06-03   
983-444 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2024-04-02   
983-444 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2024-04-02   
983-444 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2024-04-02   
983-444 9 Denver CO DNVRCO2669Z  490J BOOST SUBSCRIBERCO L.L.C. 656   2024-07-31   
983-456 A Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2025-11-24   
983-456 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 6 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2025-11-24   
983-456 7 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2025-11-24   
983-456 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-500 A Strasburg CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656   2026-04-03   
983-500 0 Strasburg CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656   2026-04-03   
983-500 5 Strasburg CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656   2026-04-03   
983-587 A Denver CO DNVRCO26XJY  824J OPENTACT INC. 656   2026-05-10   
983-587 0 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-05-11   
983-587 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-06-08   
983-587 2 Denver CO DNVRCO2669Z  490J BOOST SUBSCRIBERCO L.L.C. 656   2026-07-01   
983-587 3 Denver CO DNVRCO2669Z  490J BOOST SUBSCRIBERCO L.L.C. 656   2026-08-17   
983-587 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-05-21   
983-587 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-05-21   
983-587 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-05-21   
983-587 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-05-21   
983-587 8 Denver CO DNVRCO26XJY  824J OPENTACT INC. 656   2026-05-10   
983-587 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-06-22   
983-777 A Denver CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656      
983-777 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-01-07   
983-777 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-01-07   
983-777 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-01-07   
983-777 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-01-07   
983-777 4 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-01-07   
983-777 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-01-07   
983-777 6 Denver CO DNVRCOMA53Z  732J NUSO, LLC 656   2023-12-28   
983-777 7 Denver CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656   2023-12-04   
983-777 8 Denver CO DNVRCOMA32Z  321J HD CARRIER LLC 656   2023-12-04   
983-777 9 Denver CO DNVRCO2669Z  490J BOOST SUBSCRIBERCO L.L.C. 656   2023-12-22   
983-800 A Denver CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656   2026-08-13   
983-800 0 Denver CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656   2026-08-13   
983-800 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-08-14   
983-800 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-08-14   
983-800 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-08-14   
983-800 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-08-14   
983-800 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-08-14   
983-800 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2026-08-14   
983-800 7 Denver CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2026-08-14   
983-800 8 Denver CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656   2026-08-13   
983-800 9 Denver CO   026D ONVOY, LLC - CO 656   2026-08-14   
983-880 A Denver CO   193E 8X8, INC. 656   2026-11-07   
983-880 0 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-11-09   
983-880 1 Denver CO   193E 8X8, INC. 656   2026-11-07   
983-880 2 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-11-09   
983-880 3 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-11-09   
983-880 4 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-11-09   
983-880 5 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-11-09   
983-880 6 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-11-09   
983-880 8 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-11-09   
983-880 9 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-11-09   
983-888 A Denver CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656      
983-888 0 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2023-09-08   
983-888 1 Denver CO DNVRCOMA32Z  321J HD CARRIER LLC 656   2023-08-05   
983-888 2 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656   2023-08-07   
983-888 3 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656   2023-08-07   
983-888 4 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656   2023-08-07   
983-888 5 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656   2023-08-07   
983-888 6 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656   2023-08-07   
983-888 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2023-08-24   
983-888 8 Denver CO DNVRCOMA22Z  557H WIDE VOICE, LLC - CO 656   2023-08-05   
983-888 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2023-08-24   
983-900 A Denver CO DNVRCO26XMY  883K AHOI LLC 656   2026-01-04   
983-900 0 Denver CO DNVRCO26XMY  883K AHOI LLC 656   2026-01-04   
983-900 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-01-10   
983-900 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-01-10   
983-900 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-02-06   
983-900 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-02-06   
983-900 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-02-06   
983-900 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-02-06   
983-900 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2026-02-06   
983-900 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-01-05   
983-900 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-01-05   
983-955 A Denver CO DNVRCOMA62Z  907K ALLO COMMUNICATIONS LLC 656   2025-10-24   
983-955 0 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2025-10-27   
983-955 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2025-10-27   
983-955 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2025-10-27   
983-955 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-10-27   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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