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

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-251 A Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-252 A Byram CT GNWCCTGNX5Y  4950 CABLEVISION LIGHTPATH, INC. - CT 132      
475-253 A Wallingford CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-254 A New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-255 A Meriden CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-256 A Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-257 A Norwalk CT NRWLCT02Y0X  425J CSC WIRELESS, LLC 920      
475-258 A Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-259 A Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
475-260 A Huntington CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-261 A New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-262 A Huntington CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-263 A Waterbury CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-264 A Darien CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-265 A Trumbull CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-266 A Norwalk CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-267 A New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-268 A Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-269 A Huntington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-270 A Wallingford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-271 A Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-272 A Fairfield CT NRWLCT02XMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
475-273 A Bridgeport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-274 A Guilford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-275 A Byram CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132      
475-276 A Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-277 A Wilton CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920      
475-278 A Greenwich CT GNWCCTGN8MD  4950 CABLEVISION LIGHTPATH, INC. - CT 132      
475-279 A Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-280 A Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-281 A Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-282 A Bridgeport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-283 A Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-284 A Bridgeport CT BRPTCT01ZMD  478J NUSO, LLC 920      
475-285 A Naugatuck CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-286 A Branford CT HRFRCTBE2MD  073H TELNYX LLC 920      
475-287 A New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-288 A Norwalk CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
475-289 A Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-290 A Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-291 A Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-292 A Stamford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-293 A Wallingford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-294 A Milford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-295 A Waterbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
475-296 A Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-297 A Newtown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-298 A Bridgeport CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-299 A Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-300 A New Haven CT HRFRCT03CMD  197D VONAGE AMERICA LLC 920      

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

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