Local Calling Guide

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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 350

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-350 A Madison CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-350 0 Madison CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
203-350 1 Madison CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-350 2 Madison CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-02-26   
203-350 3 Madison CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-07-03   
203-350 4 Madison CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-04-11   
203-350 5 Madison CT NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-09-07   
203-350 6 Madison CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-08-09   
203-350 7 Madison CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-05   
203-350 8 Madison CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-06-30   
203-350 9 Madison CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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