Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 930

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-930 A Central Islip NY NYCMNYBXYMD  4152 PAETEC COMMUNICATIONS, INC. - NY 132      
631-930 0 Central Islip NY NYCMNYBXYMD  4152 PAETEC COMMUNICATIONS, INC. - NY 132      
631-930 1 Central Islip NY NYCMNYBXYMD  4152 PAETEC COMMUNICATIONS, INC. - NY 132   2006-10-19   
631-930 2 Central Islip NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2021-03-14   
631-930 3 Central Islip NY NYCMNYBXYMD  4152 PAETEC COMMUNICATIONS, INC. - NY 132   2004-03-01   
631-930 4 Central Islip NY NYCMNYZRYMD  508J CENTURYLINK COMMUNICATIONS, LLC 132   2013-12-13   
631-930 5 Central Islip NY NYCMNY371MD  4152 PAETEC COMMUNICATIONS, INC. - NY 132   2009-05-21   
631-930 6 Central Islip NY NYCMNYBXYMD  4152 PAETEC COMMUNICATIONS, INC. - NY 132      
631-930 7 Central Islip NY NYCMNYBXYMD  4152 PAETEC COMMUNICATIONS, INC. - NY 132      
631-930 8 Central Islip NY NYCMNY371MD  4152 PAETEC COMMUNICATIONS, INC. - NY 132   2009-05-21   
631-930 9 Central Islip NY NYCMNYBXYMD  4152 PAETEC COMMUNICATIONS, INC. - NY 132      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.