Local Calling Guide

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

NXX: 703

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-703 A Stamford CT SMFRCT02DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-703 0 Stamford CT   4950 CABLEVISION LIGHTPATH, INC. - CT 920   2012-11-04   
203-703 1 Stamford CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-11-03   
203-703 2 Stamford CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-11-03   
203-703 3 Stamford CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-703 4 Stamford CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-703 5 Stamford CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-703 6 Stamford CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2007-05-14   
203-703 7 Stamford CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2007-05-14   
203-703 8 Stamford CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-06-17   
203-703 9 Stamford CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-02-08   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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