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: 347

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-347 A Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
713-347 0 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-07-02   
713-347 1 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-07-02   
713-347 2 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-07-02   
713-347 3 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-07-02   
713-347 4 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-07-02   
713-347 5 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-07-02   
713-347 6 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-07-02   
713-347 7 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-07-02   
713-347 8 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-07-02   
713-347 9 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-07-02   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.