Local Calling Guide

Area code/prefix search

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

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-437 A Fire Island NY DRPKNYDPLMD  7140 TC SYSTEMS, INC. - NY 132      
631-437 0 Fire Island NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2014-03-22   
631-437 1 Fire Island NY NYCMNYBXJMD  073H TELNYX LLC 132   2018-11-07   
631-437 2 Fire Island NY   1215 CORETEL NEW YORK, INC. - NY 132   2019-03-29   
631-437 3 Fire Island NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2016-03-23   
631-437 4 Fire Island NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2016-03-23   
631-437 5 Fire Island NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2021-01-29   
631-437 6 Fire Island NY DRPKNYDPLMD  7140 TC SYSTEMS, INC. - NY 132   2013-12-09   
631-437 7 Fire Island NY NYCMNYZRYMD  508J CENTURYLINK COMMUNICATIONS, LLC 132   2014-05-01   
631-437 8 Fire Island NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2019-05-25   
631-437 9 Fire Island NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2021-01-29   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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