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]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-312 A Danbury CT NWFLCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-312 0 Danbury CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-312 1 Danbury CT   3863 CTC COMMUNICATIONS CORP. - CT 920   2004-06-18   
203-312 2 Danbury CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-312 3 Danbury CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2005-01-02   
203-312 4 Danbury CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2005-07-03   
203-312 5 Danbury CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-312 6 Danbury CT   6664 SPRINT SPECTRUM L.P. 920   2005-09-11   
203-312 7 Danbury CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-03-19   
203-312 8 Danbury CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-312 9 Danbury CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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