Local Calling Guide

Area code/prefix search

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NPA: 631 [Rate centres in NPA 631] [Dial plan for NPA 631]

NXX: 791

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-791 A Port Jefferson NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-791 0 Port Jefferson NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-791 1 Port Jefferson NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-791 2 Port Jefferson NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-791 3 Port Jefferson NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2003-06-09   
631-791 4 Port Jefferson NY HNTNNYSUDS2  7140 TC SYSTEMS, INC. - NY 132   2002-12-01   
631-791 5 Port Jefferson NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2003-01-13   
631-791 6 Port Jefferson NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2016-03-04   
631-791 7 Port Jefferson NY GRCYNYGCX0Y  3864 CTC COMMUNICATIONS CORP. - NY 132   2006-08-02   
631-791 8 Port Jefferson NY NYCMNYBX3MD  473G TELENGY L.L.C. - NY 132   2012-02-27   
631-791 9 Port Jefferson NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2004-12-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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