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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-900 A West Commack NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-900 0 West Commack NY   384C ONVOY, LLC- NY 132   2025-04-13   
631-900 1 West Commack NY NYCMNYBXJMD  073H TELNYX LLC 132   2017-05-16   
631-900 2 West Commack NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2016-03-07   
631-900 3 West Commack NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2016-03-07   
631-900 4 West Commack NY HCVLNYAHDS9  7126 CABLEVISION LIGHTPATH, INC. - NY 132   2015-05-02   
631-900 5 West Commack NY   744H TELXMEDIA, INC. - NY 132   2019-10-07   
631-900 6 West Commack NY   744H TELXMEDIA, INC. - NY 132   2019-10-07   
631-900 7 West Commack NY WHPLNYGRDS5  7126 CABLEVISION LIGHTPATH, INC. - NY 132   2019-01-13   
631-900 8 West Commack NY   384C ONVOY, LLC- NY 132   2025-12-14   
631-900 9 West Commack NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2021-03-14   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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