Local Calling Guide

Area code/prefix search

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

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Last updated: Wed, 01 Oct 2014 02:08:53 UTC

How to use this page

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

NXX: 745

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-745 A New Haven CT NWHNCT02YDX 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
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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