Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

NXX: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-328 A Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
475-328 0 Darien CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-12-07   
475-328 1 Darien CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-10   
475-328 2 Darien CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-10   
475-328 3 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2014-06-21   
475-328 4 Darien CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-08   
475-328 5 Darien CT NRWLCT02XMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2014-10-09   
475-328 6 Darien CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2014-09-28   
475-328 7 Darien CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
475-328 8 Darien CT HRFRCT03HMD  073H TELNYX LLC 920   2017-04-06   
475-328 9 Darien CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2014-08-22   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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