Local Calling Guide

Area code/prefix search

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Last updated: Thu, 17 Apr 2014 10:04:41 UTC

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

NXX: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-492 A New Haven CT NWHNCT03DS0 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 map
203-492 0 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-492 1 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-492 2 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-492 3 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-492 4 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-492 5 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-492 6 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-492 7 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-492 8 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-492 9 New Haven CT 4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2006-03-07


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