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: 634

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-634 A Commack NY WHPLNYGRDS5  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-634 0 Commack NY   073H TELNYX LLC 132   2020-09-03   
631-634 1 Commack NY   534J UCOMTEL INC. 132   2021-03-08   
631-634 2 Commack NY   384C ONVOY, LLC- NY 132   2023-10-23   
631-634 3 Commack NY   624H ONVOY SPECTRUM, LLC 132   2021-12-06   
631-634 4 Commack NY   7126 CABLEVISION LIGHTPATH, INC. - NY 132   2019-11-30   
631-634 5 Commack NY   624H ONVOY SPECTRUM, LLC 132   2021-04-16   
631-634 6 Commack NY   384C ONVOY, LLC- NY 132   2024-08-25   
631-634 7 Commack NY   624H ONVOY SPECTRUM, LLC 132   2021-12-06   
631-634 8 Commack NY   515J IP HORIZON LLC 132   2021-10-04   
631-634 9 Commack NY   818H PEERING HUB, INC. - NY 132   2021-05-26   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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