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: 909

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-909 A Houston Suburban TX HSTNTXGLRP0  9533 SOUTHWESTERN BELL 560      
713-909 0 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-01-21   
713-909 1 Houston Suburban TX HSTNTXGLRP0  9533 SOUTHWESTERN BELL 560   2010-12-12   
713-909 2 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2011-01-31   
713-909 3 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-03-20   
713-909 4 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-03-20   
713-909 5 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2011-03-20   
713-909 6 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2011-03-20   
713-909 7 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2011-11-30   
713-909 8 Houston Suburban TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2011-11-30   
713-909 9 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2011-11-30   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.