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: 745

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-745 New Haven CT HRFRCT0376Z 516C SBC INTERNET SERVICES, INC. [link] 920 map
203-745-0 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT [link] 920 2006-05-07 map
203-745-1 New Haven CT 516C SBC INTERNET SERVICES, INC. [link] 920
203-745-2 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT [link] 920 2006-05-07
203-745-3 New Haven CT 7621 COMCAST PHONE OF CONNECTICUT, INC. - CT [link] 920 2006-06-03
203-745-4 New Haven CT 7621 COMCAST PHONE OF CONNECTICUT, INC. - CT [link] 920 2006-06-03
203-745-5 New Haven CT 7621 COMCAST PHONE OF CONNECTICUT, INC. - CT [link] 920 2006-06-03
203-745-6 New Haven CT 6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2007-09-21
203-745-7 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2007-12-28
203-745-8 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2007-12-28
203-745-9 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2008-07-07


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