Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 631 [Rate centres in NPA 631] [Dial plan for NPA 631]

NXX: 938

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-938 A Port Jefferson NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132      
631-938 0 Port Jefferson NY   8340 XO NEW YORK, INC. 132   2005-10-16   
631-938 1 Port Jefferson NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2005-12-16   
631-938 2 Port Jefferson NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2005-06-03   
631-938 3 Port Jefferson NY   145J TERRA NOVA TELECOM INC. 132   2020-12-28   
631-938 4 Port Jefferson NY   4152 PAETEC COMMUNICATIONS, INC. - NY 132   2010-07-12   
631-938 5 Port Jefferson NY   051H LOCAL ACCESS LLC - NY 132   2013-08-26   
631-938 6 Port Jefferson NY   997E BANDWIDTH.COM CLEC, LLC - NY 132   2011-05-28   
631-938 7 Port Jefferson NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2006-03-30   
631-938 8 Port Jefferson NY   8340 XO NEW YORK, INC. 132   2005-10-16   
631-938 9 Port Jefferson NY   8340 XO NEW YORK, INC. 132   2005-10-16   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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