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: 347

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-347 A Byram CT NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132      
203-347 0 Byram CT NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2005-11-18   
203-347 1 Byram CT WHPLNYWPX8X  3863 CTC COMMUNICATIONS CORP. - CT 132   2006-01-20   
203-347 2 Byram CT NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2008-04-28   
203-347 3 Byram CT NYCMNY83DS0  7316 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 132   2008-10-15   
203-347 4 Byram CT NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2004-05-03   
203-347 5 Byram CT NYCMNY83D1S  350E YMAX COMMUNICATIONS CORP. - CT 132   2009-02-06   
203-347 6 Byram CT NYCMNY83D1S  350E YMAX COMMUNICATIONS CORP. - CT 132   2009-09-15   
203-347 7 Byram CT NYCMNY83DSZ  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 132   2004-09-13   
203-347 8 Byram CT NYCMNY83D1S  350E YMAX COMMUNICATIONS CORP. - CT 132   2009-09-15   
203-347 9 Byram CT NYCMNY83D1S  350E YMAX COMMUNICATIONS CORP. - CT 132   2009-09-15   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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