Local Calling Guide

Area code/prefix search

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

NXX: 239

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-239 A Trumbull CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
475-239 0 Trumbull CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2013-11-10   
475-239 1 Trumbull CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-12-15   
475-239 2 Trumbull CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-11-23   
475-239 3 Trumbull CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-11-23   
475-239 4 Trumbull CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-12-15   
475-239 5 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-04-28   
475-239 6 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-02-08   
475-239 7 Trumbull CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
475-239 8 Trumbull CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2015-07-24   
475-239 9 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-10-31   

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

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