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: 200

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-200 New Haven CT 199F BANDWIDTH.COM CLEC, LLC - CT [link] 920 2008-10-22 map
203-200-0 New Haven CT 199F BANDWIDTH.COM CLEC, LLC - CT [link] 920 2008-10-22 map
203-200-1 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2009-06-02
203-200-2 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2009-06-02
203-200-3 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2009-06-02
203-200-4 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2009-06-02
203-200-5 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2009-06-02
203-200-6 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 2009-06-02
203-200-7 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT [link] 920 2009-07-14
203-200-8 New Haven CT 6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2010-02-08
203-200-9 New Haven CT 6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2010-02-08


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