Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

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Last updated: Fri, 17 May 2013 01:26:12 UTC

How to use this page

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

NXX: 654

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-654 New Haven CT NHVNCT00RS0 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 map
203-654-0 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2006-03-07 map
203-654-1 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2003-04-05
203-654-2 New Haven CT 3863 CTC COMMUNICATIONS CORP. - CT [link] 920 2007-12-04
203-654-3 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-654-4 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-654-5 New Haven CT 6232 NEXTEL COMMUNICATIONS, INC. [link] 920 2005-07-07
203-654-6 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2004-03-17
203-654-7 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT [link] 920 2004-09-03
203-654-8 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-654-9 New Haven CT 199F BANDWIDTH.COM CLEC, LLC - CT [link] 920 2010-04-01


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