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: 823

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-823 New Haven CT SMFRCTCTDS0 7621 COMCAST PHONE OF CONNECTICUT, INC. - CT [link] 920 map
203-823-0 New Haven CT 6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2008-08-07 map
203-823-1 New Haven CT 6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2008-08-07
203-823-2 New Haven CT 6232 NEXTEL COMMUNICATIONS, INC. [link] 920 2004-10-18
203-823-3 New Haven CT 6232 NEXTEL COMMUNICATIONS, INC. [link] 920 2004-11-07
203-823-4 New Haven CT 2706 CHOICE ONE COMMUNICATIONS, INC. - CT [link] 920 2007-08-01
203-823-5 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2005-09-03
203-823-6 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2005-09-03
203-823-7 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2005-09-03
203-823-8 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2005-09-03
203-823-9 New Haven CT 7621 COMCAST PHONE OF CONNECTICUT, INC. - CT [link] 920


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