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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
475-394 1 Ansonia-Derby CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2026-03-04   
475-394 2 Ansonia-Derby CT   639C ONVOY, LLC - CT 920   2026-07-24   
475-394 3 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-11-24   
475-394 4 Ansonia-Derby CT   639C ONVOY, LLC - CT 920   2026-07-24   
475-394 5 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-10-03   
475-394 6 Ansonia-Derby CT   639C ONVOY, LLC - CT 920   2026-08-23   
475-394 8 Ansonia-Derby CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2026-08-08   
475-394 9 Ansonia-Derby CT SMFRCT018MD  7421 AT&T - LOCAL 920   2025-09-25   
475-395 A Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-395 0 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-15   
475-395 1 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-15   
475-395 2 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-16   
475-395 3 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-16   
475-395 4 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-12-15   
475-395 5 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-12-15   
475-395 6 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-12-15   
475-395 7 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-12-15   
475-395 8 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-11-14   
475-395 9 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-12-14   
475-396 A Bridgeport CT HRFRCTBCBMD  612K CSC VOICE, LLC 920   2025-10-02   
475-396 0 Bridgeport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2026-05-02   
475-396 1 Bridgeport CT   639C ONVOY, LLC - CT 920   2026-07-24   
475-396 2 Bridgeport CT   639C ONVOY, LLC - CT 920   2026-07-24   
475-396 3 Bridgeport CT   639C ONVOY, LLC - CT 920   2026-07-24   
475-396 4 Bridgeport CT HRFRCTBCBMD  612K CSC VOICE, LLC 920   2025-10-02   
475-397 A Norwalk CT NRWLCT02ZMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2025-12-11   
475-397 0 Norwalk CT NRWLCT02ZMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2025-12-11   
475-397 1 Norwalk CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2026-05-21   
475-397 2 Norwalk CT   639C ONVOY, LLC - CT 920   2026-09-14   
475-397 3 Norwalk CT   639C ONVOY, LLC - CT 920   2026-09-14   
475-397 8 Norwalk CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2026-06-06   
475-397 9 Norwalk CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2026-06-22   
475-398 A Huntington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2026-02-02   
475-398 0 Huntington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2026-02-02   
475-398 5 Huntington CT HRFRCT0389Z  490J BOOST SUBSCRIBERCO L.L.C. 920   2026-09-24   
475-398 6 Huntington CT HRFRCT0389Z  490J BOOST SUBSCRIBERCO L.L.C. 920   2026-06-11   
475-398 8 Huntington CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2026-06-06   
475-399 A Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-399 0 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-15   
475-399 1 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-15   
475-399 2 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-15   
475-399 3 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-09-24   
475-399 4 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-12-01   
475-399 5 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-09-24   
475-399 6 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-18   
475-399 7 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-11-18   
475-399 8 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-09-24   
475-399 9 Stamford CT HRFRCT03XMX  145J TERRA NOVA TELECOM INC. 920   2026-03-15   
475-400 A Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-400 0 Stamford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2018-01-22   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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