Local Calling Guide

Area code/prefix search

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

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Last updated: Sat, 26 Jul 2014 03:21:21 UTC

How to use this page

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

NXX: 737

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-737 A New Haven CT NWHNCT03DS0 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 map
203-737 0 New Haven CT 6624 OMNIPOINT COMMUNICATIONS, INC. - CT [link] 920 2007-05-25
203-737 1 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-737 2 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-737 3 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-737 4 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-737 5 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-737 6 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-737 7 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-737 8 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-737 9 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920



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