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: 614

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-614 A Stamford CT SMFRCT02DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-614 0 Stamford CT   829J PAETEC ITEL, LLC 920   2009-10-29   
203-614 1 Stamford CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-10-13   
203-614 2 Stamford CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-614 3 Stamford CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-614 4 Stamford CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-614 5 Stamford CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-614 6 Stamford CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-614 7 Stamford CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-614 8 Stamford CT   612K CSC VOICE, LLC 920   2011-08-26   
203-614 9 Stamford CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-05-27   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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