Local Calling Guide

Area code/prefix search

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

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Last updated: Thu, 20 Nov 2014 03:01:16 UTC

How to use this page

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

NXX: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-397 A New Haven CT WSTVCT00DS0 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920 map
203-397 0 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-397 1 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-397 2 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-397 3 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-397 4 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-397 5 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-397 6 New Haven CT 199F BANDWIDTH.COM CLEC, LLC - CT [link] 920 2014-04-19
203-397 7 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-397 8 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920
203-397 9 New Haven CT 9147 SOUTHERN NEW ENGLAND TELEPHONE CO. [link] 920



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