Local Calling Guide

Area code/prefix search

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

NXX: 481

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-481 A Islip NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-481 0 Islip NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-481 1 Islip NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-481 2 Islip NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-481 3 Islip NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2003-06-08   
631-481 4 Islip NY   515J IP HORIZON LLC 132   2017-07-09   
631-481 5 Islip NY SYOSNYGNCM1  5562 METROPCS, INC. 132   2005-01-07   
631-481 6 Islip NY SYOSNYGNCM1  5562 METROPCS, INC. 132   2005-03-11   
631-481 7 Islip NY NYCMNY83DSR  8340 XO NEW YORK, INC. 132   2005-07-21   
631-481 8 Islip NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2014-03-22   
631-481 9 Islip NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2005-07-02   

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

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