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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-904 A Houston TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-904 0 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2012-02-28   
713-904 1 Houston TX   903C ONVOY, LLC - TX 560   2012-05-07   
713-904 2 Houston TX   8958 XO TEXAS, INC. 560   2012-02-15   
713-904 3 Houston TX   8958 XO TEXAS, INC. 560   2012-02-15   
713-904 4 Houston TX   8958 XO TEXAS, INC. 560   2012-02-15   
713-904 5 Houston TX   8958 XO TEXAS, INC. 560   2012-02-15   
713-904 6 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2012-03-05   
713-904 7 Houston TX   7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560   2012-02-13   
713-904 8 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2012-03-05   
713-904 9 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2012-03-05   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.