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.

Highlands, TX

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-838 5 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-07-14   
832-838 6 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-07-14   
832-838 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-07-11   
832-838 8 HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2007-02-16   
832-838 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-07-11   

<< 1 2

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.