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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
475-204 5 Danbury CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2014-06-20   
475-204 6 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-11-23   
475-204 7 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2013-08-09   
475-204 8 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2013-04-22   
475-204 9 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2013-03-19   
475-205 A Stamford CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920      
475-205 0 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-05-01   
475-205 1 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-10-18   
475-205 2 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-10-18   
475-205 3 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-10-18   
475-205 4 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-10-18   
475-205 5 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-10-18   
475-205 6 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-10-18   
475-205 7 Stamford CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2012-11-30   
475-205 8 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-05-01   
475-205 9 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-05-01   
475-206 A Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-206 0 Danbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-23   
475-206 1 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-10-01   
475-206 2 Danbury CT   829J PAETEC ITEL, LLC 920   2015-08-04   
475-206 3 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2016-12-10   
475-206 4 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-08-22   
475-206 5 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-09-30   
475-206 6 Danbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2015-07-12   
475-206 7 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-06-06   
475-206 8 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-06-06   
475-206 9 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-04-20   
475-207 A Woodbury CT WLMNCT132MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2025-01-22   
475-207 0 Woodbury CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2017-07-22   
475-207 1 Woodbury CT WLMNCT132MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2016-04-18   
475-207 2 Woodbury CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2019-02-28   
475-207 3 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-04-22   
475-207 4 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-04-22   
475-207 5 Woodbury CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2019-08-30   
475-207 6 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-01-25   
475-207 7 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-01-25   
475-207 8 Woodbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-01-25   
475-207 9 Woodbury CT HRFRCT03HMD  073H TELNYX LLC 920   2018-05-02   
475-208 A Norwalk CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
475-208 0 Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-05-10   
475-208 1 Norwalk CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-11   
475-208 2 Norwalk CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2015-01-29   
475-208 3 Norwalk CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-11   
475-208 4 Norwalk CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-11   
475-208 5 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-02-13   
475-208 6 Norwalk CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-08   
475-208 7 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-04-04   
475-208 8 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-04-04   
475-208 9 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-04-04   
475-209 A New Haven CT NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      

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

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