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.

Switch: SANGTXCC00Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-351 A San Angelo TX 490J DISH WIRELESS, LLC 961   2024-02-23   
325-351 9 San Angelo TX 490J DISH WIRELESS, LLC 961   2024-02-23   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.