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: 857

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-857 A Resaca OH PLWDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-857 0 Resaca OH PLWDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-857 1 Resaca OH PLWDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-857 2 Resaca OH PLWDOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-857 3 Resaca OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2017-06-23   
740-857 4 Resaca OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-11   
740-857 5 Resaca OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2012-05-27   
740-857 6 Resaca OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2011-02-24   
740-857 7 Resaca OH CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-03   
740-857 8 Resaca OH CLMBOHLT7MD  073H TELNYX LLC 324   2021-01-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.