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: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-666 A Ostrander OH OSTROHXBRS0  0615 FRONTIER NORTH, INC. - OH 324      
740-666 0 Ostrander OH OSTROHXBRS0  0615 FRONTIER NORTH, INC. - OH 324      
740-666 1 Ostrander OH OSTROHXBRS0  0615 FRONTIER NORTH, INC. - OH 324      
740-666 2 Ostrander OH OSTROHXBRS0  0615 FRONTIER NORTH, INC. - OH 324      
740-666 3 Ostrander OH OSTROHXBRS0  0615 FRONTIER NORTH, INC. - OH 324      
740-666 4 Ostrander OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2009-01-05   
740-666 5 Ostrander OH CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2013-10-08   
740-666 6 Ostrander OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-04-10   
740-666 7 Ostrander OH CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2008-04-04   
740-666 8 Ostrander OH OSTROHXBRS0  0615 FRONTIER NORTH, INC. - OH 324      
740-666 9 Ostrander OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2009-04-20   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.