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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
475-358 9 Branford CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2026-01-29   
475-359 A Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-359 0 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2017-06-15   
475-359 1 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2017-06-15   
475-359 2 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2017-06-15   
475-359 3 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2017-06-15   
475-359 4 Stamford CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2020-01-07   
475-359 5 Stamford CT HRFRCT03CMD  197D VONAGE AMERICA LLC 920   2021-07-05   
475-359 6 Stamford CT NRWLCT02YMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2018-04-27   
475-359 7 Stamford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-03-18   
475-359 8 Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-02-15   
475-359 9 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-08-08   
475-360 A Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-07   
475-360 0 Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-07   
475-360 1 Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-07   
475-360 7 Newtown CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-360 8 Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-11-07   
475-360 9 Newtown CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-361 A Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-07   
475-361 0 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-07   
475-361 1 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-07   
475-361 2 Cheshire CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2026-02-05   
475-361 3 Cheshire CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-06-19   
475-361 5 Cheshire CT HRFRCT0389Z  490J BOOST SUBSCRIBERCO L.L.C. 920   2025-01-09   
475-361 6 Cheshire CT HRFRCT0389Z  490J BOOST SUBSCRIBERCO L.L.C. 920   2024-11-21   
475-361 8 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-05-11   
475-361 9 Cheshire CT   639C ONVOY, LLC - CT 920   2025-05-02   
475-362 A Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-22   
475-362 0 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-22   
475-362 3 Seymour CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-05-30   
475-362 9 Seymour CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2024-11-20   
475-363 A Westport CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-22   
475-363 0 Westport CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-22   
475-363 1 Westport CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-363 2 Westport CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2024-11-01   
475-363 4 Westport CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2025-05-12   
475-363 5 Westport CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-05-30   
475-363 8 Westport CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-363 9 Westport CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2024-09-21   
475-364 A Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-22   
475-364 0 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-22   
475-364 1 Woodbury CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2025-05-12   
475-364 5 Woodbury CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-05-30   
475-365 A New Haven CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-05-19   
475-365 0 New Haven CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-05-19   
475-365 1 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 2 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 3 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 4 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 6 New Haven CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2024-05-31   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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