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]

Region: TX

OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
713-352 5 Apollo TX   560   2014-03-31   
713-487 A Houston TX HSTNTXPB6MD  560      
713-487 0 Houston TX   560   2009-12-24   
713-487 1 Houston TX   560   2009-12-24   
713-487 2 Houston TX   560   2009-12-24   
713-487 3 Houston TX   560   2009-12-24   
713-487 4 Houston TX   560   2009-12-24   
713-590 A Houston TX HSTNTXPB6MD  560      
713-595 A Houston TX HSTNTXPB6MD  560      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.