Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-612 A Bridgeport CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-612 0 Bridgeport CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-06-19   
203-612 1 Bridgeport CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2005-03-10   
203-612 2 Bridgeport CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-612 3 Bridgeport CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-612 4 Bridgeport CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2006-01-22   
203-612 5 Bridgeport CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-07-17   
203-612 6 Bridgeport CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2004-11-06   
203-612 7 Bridgeport CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2004-11-06   
203-612 8 Bridgeport CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2004-11-06   
203-612 9 Bridgeport CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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