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: 418

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-418 A Fairfield CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-418 0 Fairfield CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2010-03-21   
203-418 1 Fairfield CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2011-12-19   
203-418 2 Fairfield CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-418 3 Fairfield CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-08-02   
203-418 4 Fairfield CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-03-08   
203-418 5 Fairfield CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-12-21   
203-418 6 Fairfield CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-12-21   
203-418 7 Fairfield CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-08-14   
203-418 8 Fairfield CT   145J TERRA NOVA TELECOM INC. 920   2022-04-17   
203-418 9 Fairfield CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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