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: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-991 A Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-991 0 Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324   2012-09-26   
740-991 1 Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324   2012-09-26   
740-991 2 Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324   2012-09-26   
740-991 3 Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324   2012-09-26   
740-991 4 Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324   2012-09-26   
740-991 5 Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324   2012-09-26   
740-991 6 Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324   2012-09-26   
740-991 7 Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324   2012-09-26   
740-991 8 Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324   2012-09-26   
740-991 9 Portsmouth OH PTMOOHXADS0  0615 FRONTIER NORTH, INC. - OH 324   2012-09-26   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.