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: ABLNTXROQMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-231 A Merkel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 550      
325-269 A Clyde TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 550      
325-272 A Merkel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 550      
325-386 A Clyde TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 550      
325-422 A Hermleigh TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 550      
325-480 A Abilene TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 550      
325-515 A Snyder TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 550      
325-603 A Abilene TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 550      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.