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: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-407 A Southold NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132      
631-407 0 Southold NY   997E BANDWIDTH.COM CLEC, LLC - NY 132   2011-05-20   
631-407 1 Southold NY   473G TELENGY L.L.C. - NY 132   2012-02-27   
631-407 2 Southold NY   384C ONVOY, LLC- NY 132   2012-11-23   
631-407 3 Southold NY   384C ONVOY, LLC- NY 132   2012-03-29   
631-407 4 Southold NY   384C ONVOY, LLC- NY 132   2013-01-27   
631-407 5 Southold NY   7126 CABLEVISION LIGHTPATH, INC. - NY 132   2013-07-21   
631-407 6 Southold NY   508J CENTURYLINK COMMUNICATIONS, LLC 132   2014-05-02   
631-407 7 Southold NY   384C ONVOY, LLC- NY 132   2012-04-08   
631-407 8 Southold NY   155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132   2013-04-22   
631-407 9 Southold NY   155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132   2013-04-22   

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

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