Local Calling Guide

Area code/prefix search

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

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Last updated: Sun, 16 Jun 2013 02:49:06 UTC

How to use this page

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

NXX: 937

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-937 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 map
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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