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: FRDNTXXA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-215 2 Junction TX 413F HILL COUNTRY TELECOMMUNICATIONS, LLC - TX 961   2015-10-05   
325-294 A Mason TX 413F HILL COUNTRY TELECOMMUNICATIONS, LLC - TX 961      
325-294 4 Mason TX 413F HILL COUNTRY TELECOMMUNICATIONS, LLC - TX 961   2009-06-14   
325-323 3 Big Lake TX 413F HILL COUNTRY TELECOMMUNICATIONS, LLC - TX 961   2023-12-09   
325-413 1 Sonora TX 413F HILL COUNTRY TELECOMMUNICATIONS, LLC - TX 961   2017-10-26   
325-577 4 Eldorado TX 413F HILL COUNTRY TELECOMMUNICATIONS, LLC - TX 961   2023-12-09   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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