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NPA: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-426 2 Ridgefield CT   639C ONVOY, LLC - CT 920   2023-08-18   
475-426 3 Ridgefield CT   516J TON80 COMMUNICATIONS, LLC 920   2022-03-16   
475-426 4 Ridgefield CT   639C ONVOY, LLC - CT 920   2023-08-18   
475-426 5 Ridgefield CT   318J COMCAST IP PHONE, LLC 920   2022-06-28   
475-426 6 Ridgefield CT   624H ONVOY SPECTRUM, LLC 920   2022-03-17   
475-426 7 Ridgefield CT   624H ONVOY SPECTRUM, LLC 920   2022-03-17   
475-426 8 Ridgefield CT   318J COMCAST IP PHONE, LLC 920   2022-06-28   
475-426 9 Ridgefield CT   639C ONVOY, LLC - CT 920   2023-08-18   
475-434 A New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
475-434 0 New Haven CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-01-19   
475-434 1 New Haven CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-01-19   
475-434 2 New Haven CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-01-19   
475-434 3 New Haven CT   5562 METROPCS, INC. 920   2015-01-19   
475-434 4 New Haven CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-30   
475-434 5 New Haven CT   5562 METROPCS, INC. 920   2017-03-31   
475-434 6 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-10-04   
475-434 7 New Haven CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-30   
475-434 8 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-09-16   
475-434 9 New Haven CT   5562 METROPCS, INC. 920   2015-01-16   
475-439 A Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-439 0 Ansonia-Derby CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-04-16   
475-439 1 Ansonia-Derby CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-11   
475-439 2 Ansonia-Derby CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-04-16   
475-439 3 Ansonia-Derby CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2018-10-07   
475-439 4 Ansonia-Derby CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-09-17   
475-439 5 Ansonia-Derby CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-01-16   
475-439 6 Ansonia-Derby CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-01-16   
475-439 7 Ansonia-Derby CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-10-28   
475-439 8 Ansonia-Derby CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-10-28   
475-439 9 Ansonia-Derby CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-09-19   
475-441 A New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-441 0 New Haven CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-03-06   
475-441 1 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-11-04   
475-441 2 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-11-04   
475-441 3 New Haven CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-11   
475-441 4 New Haven CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-11   
475-441 5 New Haven CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-11   
475-441 6 New Haven CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-11   
475-441 7 New Haven CT   318J COMCAST IP PHONE, LLC 920   2015-04-07   
475-441 8 New Haven CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-11   
475-441 9 New Haven CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-11   
475-444 A Newtown CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-444 0 Newtown CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   
475-444 1 Newtown CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   
475-444 2 Newtown CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2014-03-29   
475-444 3 Newtown CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-10-20   
475-444 4 Newtown CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-01   
475-444 5 Newtown CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-11-21   
475-444 6 Newtown CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-24   
475-444 7 Newtown CT   508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
475-444 8 Newtown CT   639C ONVOY, LLC - CT 920   2015-05-09   
475-444 9 Newtown CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2014-06-20   
475-445 A Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-445 0 Newtown CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2020-08-24   
475-445 1 Newtown CT   639C ONVOY, LLC - CT 920   2020-08-10   
475-445 2 Newtown CT   639C ONVOY, LLC - CT 920   2020-08-10   
475-445 3 Newtown CT   639C ONVOY, LLC - CT 920   2021-03-04   
475-445 4 Newtown CT   639C ONVOY, LLC - CT 920   2020-11-22   
475-445 5 Newtown CT   639C ONVOY, LLC - CT 920   2020-11-22   
475-445 6 Newtown CT   639C ONVOY, LLC - CT 920   2021-03-04   
475-445 8 Newtown CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-10-24   
475-445 9 Newtown CT   624H ONVOY SPECTRUM, LLC 920   2021-03-12   
475-447 A Byram CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132      
475-447 0 Byram CT   639C ONVOY, LLC - CT 132   2024-01-07   
475-447 1 Byram CT   639C ONVOY, LLC - CT 132   2024-03-07   
475-447 2 Byram CT   624H ONVOY SPECTRUM, LLC 132   2022-02-05   
475-447 3 Byram CT   624H ONVOY SPECTRUM, LLC 132   2022-02-05   
475-447 4 Byram CT   639C ONVOY, LLC - CT 132   2021-06-03   
475-447 5 Byram CT   639C ONVOY, LLC - CT 132   2021-06-03   
475-447 6 Byram CT   145J TERRA NOVA TELECOM INC. 132   2026-02-05   
475-447 7 Byram CT   624H ONVOY SPECTRUM, LLC 132   2021-05-21   
475-447 8 Byram CT   639C ONVOY, LLC - CT 132   2021-05-22   
475-447 9 Byram CT   639C ONVOY, LLC - CT 132   2021-05-22   
475-449 A Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-449 0 Bridgeport CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2014-12-04   
475-449 1 Bridgeport CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2014-12-04   
475-449 2 Bridgeport CT   5562 METROPCS, INC. 920   2016-05-22   
475-449 3 Bridgeport CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-12-05   
475-449 4 Bridgeport CT   5562 METROPCS, INC. 920   2014-11-25   
475-449 5 Bridgeport CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-02-13   
475-449 6 Bridgeport CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-02-14   
475-449 7 Bridgeport CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-02-14   
475-449 8 Bridgeport CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2014-12-04   
475-449 9 Bridgeport CT   612K CSC VOICE, LLC 920   2014-12-20   
475-450 A Bridgeport CT HRFRCT0344Z  866H BARR TEL USA, INC. - CT 920      
475-450 0 Bridgeport CT   639C ONVOY, LLC - CT 920   2023-07-22   
475-450 1 Bridgeport CT   866H BARR TEL USA, INC. - CT 920   2022-04-23   
475-450 2 Bridgeport CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-09-08   
475-450 3 Bridgeport CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-09-08   
475-450 4 Bridgeport CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-09-08   
475-450 5 Bridgeport CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-11-05   
475-450 6 Bridgeport CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2023-08-11   
475-450 7 Bridgeport CT   639C ONVOY, LLC - CT 920   2023-06-26   
475-450 8 Bridgeport CT   639C ONVOY, LLC - CT 920   2023-05-14   
475-450 9 Bridgeport CT   639C ONVOY, LLC - CT 920   2023-06-26   
475-454 A Danbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-454 0 Danbury CT   073H TELNYX LLC 920   2021-03-01   
475-454 1 Danbury CT   624H ONVOY SPECTRUM, LLC 920   2021-03-12   
475-454 2 Danbury CT   639C ONVOY, LLC - CT 920   2021-02-18   
475-454 3 Danbury CT   639C ONVOY, LLC - CT 920   2021-02-18   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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