Local Calling Guide

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

NXX: 349

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-349 A Westport CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-349 0 Westport CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-24   
203-349 1 Westport CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2015-11-15   
203-349 2 Westport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2012-04-13   
203-349 3 Westport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2012-11-26   
203-349 4 Westport CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-349 5 Westport CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2010-09-23   
203-349 6 Westport CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-08   
203-349 7 Westport CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2011-05-27   
203-349 8 Westport CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-01   
203-349 9 Westport CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-02-15   

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

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