Local Calling Guide

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

NXX: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-777 A Ansonia-Derby CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-777 0 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-01-04   
475-777 1 Ansonia-Derby CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-01-11   
475-777 2 Ansonia-Derby CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-01-11   
475-777 3 Ansonia-Derby CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-09   
475-777 4 Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-08-12   
475-777 5 Ansonia-Derby CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2015-04-03   
475-777 6 Ansonia-Derby CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-05-01   
475-777 7 Ansonia-Derby CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2014-11-28   
475-777 8 Ansonia-Derby CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-05-11   
475-777 9 Ansonia-Derby CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-06-17   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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