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: 970

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-970 A Mattituck NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-970 1 Mattituck NY   534J UCOMTEL INC. 132   2021-03-29   
631-970 2 Mattituck NY   624H ONVOY SPECTRUM, LLC 132   2021-11-21   
631-970 3 Mattituck NY   624H ONVOY SPECTRUM, LLC 132   2021-11-21   
631-970 4 Mattituck NY   384C ONVOY, LLC- NY 132   2021-12-05   
631-970 5 Mattituck NY   384C ONVOY, LLC- NY 132   2021-12-05   
631-970 6 Mattituck NY   7140 TC SYSTEMS, INC. - NY 132   2021-11-29   
631-970 7 Mattituck NY   384C ONVOY, LLC- NY 132   2021-08-19   
631-970 8 Mattituck NY   384C ONVOY, LLC- NY 132   2021-08-19   
631-970 9 Mattituck NY   818H PEERING HUB, INC. - NY 132   2021-07-26   

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

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