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: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-274 A Stamford CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-274 0 Stamford CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-274 1 Stamford CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-01-08   
203-274 2 Stamford CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-02-15   
203-274 3 Stamford CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2009-12-23   
203-274 4 Stamford CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2014-10-01   
203-274 5 Stamford CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2003-07-01   
203-274 6 Stamford CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2004-03-01   
203-274 7 Stamford CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2007-08-10   
203-274 8 Stamford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-02-19   
203-274 9 Stamford CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2007-11-22   

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

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