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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-542 A Greenwich CT WHPLNYWPX3X  7421 AT&T - LOCAL 132      
203-542 0 Greenwich CT NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2005-05-27   
203-542 1 Greenwich CT WHPLNYWPX8X  3863 CTC COMMUNICATIONS CORP. - CT 132   2003-09-13   
203-542 2 Greenwich CT GNWCCTGNX5Y  4950 CABLEVISION LIGHTPATH, INC. - CT 132   2004-11-18   
203-542 3 Greenwich CT WHPLNYWPX3X  7421 AT&T - LOCAL 132      
203-542 4 Greenwich CT GNWCCTGNX5Y  4950 CABLEVISION LIGHTPATH, INC. - CT 132   2003-03-20   
203-542 5 Greenwich CT GNWCCTGNX5Y  4950 CABLEVISION LIGHTPATH, INC. - CT 132   2003-03-13   
203-542 6 Greenwich CT GNWCCTGNX5Y  4950 CABLEVISION LIGHTPATH, INC. - CT 132   2003-03-13   
203-542 7 Greenwich CT NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2005-05-27   
203-542 8 Greenwich CT NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2002-06-30   
203-542 9 Greenwich CT WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2011-04-02   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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