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: 713 [Rate centres in NPA 713] [Dial plan for NPA 713]

NXX: 713

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-713 A Houston TX HSTQTXRG6MD  473F USFON, INC. - TX 560      
713-713 0 Houston TX HSTQTXRG6MD  139F WORLDCALL INTERCONNECT INC. 560      
713-713 1 Houston TX HSTQTXRG6MD  139F WORLDCALL INTERCONNECT INC. 560      
713-713 2 Houston TX HSTQTXRG6MD  473F USFON, INC. - TX 560      
713-713 3 Houston TX HSTQTXRG6MD  473F USFON, INC. - TX 560      
713-713 4 Houston TX HSTQTXRG6MD  473F USFON, INC. - TX 560      
713-713 5 Houston TX HSTQTXRG6MD  473F USFON, INC. - TX 560      
713-713 6 Houston TX HSTQTXRG6MD  473F USFON, INC. - TX 560      
713-713 7 Houston TX HSTQTXRG6MD  473F USFON, INC. - TX 560      
713-713 8 Houston TX HSTQTXRG6MD  473F USFON, INC. - TX 560      
713-713 9 Houston TX HSTQTXRG6MD  473F USFON, INC. - TX 560      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.