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: 286

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-286 A Norwalk CT   829J PAETEC ITEL, LLC 920      
203-286 0 Norwalk CT   829J PAETEC ITEL, LLC 920      
203-286 1 Norwalk CT   829J PAETEC ITEL, LLC 920   2009-10-15   
203-286 2 Norwalk CT   829J PAETEC ITEL, LLC 920   2009-10-15   
203-286 3 Norwalk CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-07-03   
203-286 4 Norwalk CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-06-20   
203-286 5 Norwalk CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-01-22   
203-286 6 Norwalk CT   612K CSC VOICE, LLC 920   2007-09-20   
203-286 7 Norwalk CT   612K CSC VOICE, LLC 920   2007-09-20   
203-286 8 Norwalk CT   612K CSC VOICE, LLC 920   2007-09-20   
203-286 9 Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2007-10-08   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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