Local Calling Guide

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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 681

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-681 A Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-681 0 Byram CT   350E YMAX COMMUNICATIONS CORP. - CT 132   2009-02-06   
203-681 1 Byram CT   350E YMAX COMMUNICATIONS CORP. - CT 132   2009-02-06   
203-681 2 Byram CT   612K CSC VOICE, LLC 132   2010-08-26   
203-681 3 Byram CT   829J PAETEC ITEL, LLC 132   2011-03-08   
203-681 4 Byram CT   9104 VERIZON NEW YORK, INC. 132      
203-681 5 Byram CT   350E YMAX COMMUNICATIONS CORP. - CT 132   2008-10-10   
203-681 6 Byram CT   9104 VERIZON NEW YORK, INC. 132      
203-681 7 Byram CT   350E YMAX COMMUNICATIONS CORP. - CT 132   2008-10-10   
203-681 8 Byram CT   350E YMAX COMMUNICATIONS CORP. - CT 132   2008-06-18   
203-681 9 Byram CT   350E YMAX COMMUNICATIONS CORP. - CT 132   2009-02-06   

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

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