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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-834 A Delaware OH CLMCOHFIDS0  7163 ICG TELECOM GROUP - OH 324      
740-834 0 Delaware OH   7163 ICG TELECOM GROUP - OH 324      
740-834 1 Delaware OH   0615 FRONTIER NORTH, INC. - OH 324   2008-04-20   
740-834 2 Delaware OH   0615 FRONTIER NORTH, INC. - OH 324   2008-04-20   
740-834 3 Delaware OH   0615 FRONTIER NORTH, INC. - OH 324   2008-04-20   
740-834 4 Delaware OH   0615 FRONTIER NORTH, INC. - OH 324   2008-04-20   
740-834 5 Delaware OH   0615 FRONTIER NORTH, INC. - OH 324   2008-04-20   
740-834 6 Delaware OH   0615 FRONTIER NORTH, INC. - OH 324   2008-04-20   
740-834 7 Delaware OH   0615 FRONTIER NORTH, INC. - OH 324   2008-04-20   
740-834 8 Delaware OH   0615 FRONTIER NORTH, INC. - OH 324   2008-04-20   
740-834 9 Delaware OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2016-01-19   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.