Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]


NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-234 A New Haven CT NHVNCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT [link] 920     map

Last updated: Tue, 24 Nov 2015 01:24:40 UTC

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