Local Calling Guide

Area code/prefix search

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

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Last updated: Fri, 15 Aug 2014 01:34:43 UTC

How to use this page

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

NXX: 936

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-936 A New Haven CT NWHNCT03DS0 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2008-10-02 map
203-936 0 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2008-10-02
203-936 1 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2008-10-02
203-936 2 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2008-10-02
203-936 3 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2008-10-02
203-936 4 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2008-10-02
203-936 5 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2008-10-02
203-936 6 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT [link] 920 2010-07-02
203-936 7 New Haven CT 199F BANDWIDTH.COM CLEC, LLC - CT [link] 920 2008-11-29
203-936 8 New Haven CT 199F BANDWIDTH.COM CLEC, LLC - CT [link] 920 2008-11-29
203-936 9 New Haven CT 199F BANDWIDTH.COM CLEC, LLC - CT [link] 920 2008-11-29



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