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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-285 A New Haven CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-285 0 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2008-02-04   
203-285 1 New Haven CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-285 2 New Haven CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-285 3 New Haven CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-09-05   
203-285 4 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2003-09-30   
203-285 5 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2003-09-30   
203-285 6 New Haven CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-04-28   
203-285 7 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2006-01-21   
203-285 8 New Haven CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-04-28   
203-285 9 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2008-07-17   

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

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