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
203-307 A Fairfield CT SMFRCTDSDS0  7230 BROOKS FIBER COMMUNICATIONS OF CONNECTICUT INC-CT 920   2005-03-24   
203-307 0 Fairfield CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-05-27   
203-307 1 Fairfield CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-19   
203-307 2 Fairfield CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-19   
203-307 3 Fairfield CT   3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC 920   2005-12-19   
203-307 4 Fairfield CT   3863 CTC COMMUNICATIONS CORP. - CT 920   2006-09-21   
203-307 5 Fairfield CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-03-05   
203-307 6 Fairfield CT   7230 BROOKS FIBER COMMUNICATIONS OF CONNECTICUT INC-CT 920   2005-03-24   
203-307 7 Fairfield CT   7230 BROOKS FIBER COMMUNICATIONS OF CONNECTICUT INC-CT 920   2005-03-24   
203-307 8 Fairfield CT   7230 BROOKS FIBER COMMUNICATIONS OF CONNECTICUT INC-CT 920   2005-03-24   
203-307 9 Fairfield CT   7230 BROOKS FIBER COMMUNICATIONS OF CONNECTICUT INC-CT 920   2005-03-24   

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

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