Local Calling Guide

Area code/prefix search

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

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-257 A Smithtown NY HCVLNYAHDS9  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-257 0 Smithtown NY NYCMNYZRDBS  155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132   2013-04-22   
631-257 1 Smithtown NY NYCMNYZRDBS  155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132   2013-04-22   
631-257 2 Smithtown NY NYCMNYZRYMD  508J CENTURYLINK COMMUNICATIONS, LLC 132   2013-12-09   
631-257 3 Smithtown NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2013-01-27   
631-257 4 Smithtown NY HCVLNYAHDS9  7126 CABLEVISION LIGHTPATH, INC. - NY 132   2012-07-29   
631-257 5 Smithtown NY WHPLNYGRDS1  7126 CABLEVISION LIGHTPATH, INC. - NY 132   2013-09-14   
631-257 6 Smithtown NY NYCMNY371MD  4152 PAETEC COMMUNICATIONS, INC. - NY 132   2013-11-15   
631-257 7 Smithtown NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2012-11-23   
631-257 8 Smithtown NY   515J IP HORIZON LLC 132   2013-08-26   
631-257 9 Smithtown NY   515J IP HORIZON LLC 132   2020-06-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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