Local Calling Guide

Area code/prefix search

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

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Last updated: Sat, 18 Oct 2014 02:39:13 UTC

How to use this page

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

NXX: 937

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-937 A New Haven CT WSHNCT00DS0 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 map
203-937 0 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-937 1 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-937 2 New Haven CT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC [link] 920 2010-05-14
203-937 3 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-937 4 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-937 5 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-937 6 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-937 7 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-937 8 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-937 9 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920



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