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: ABLNTXORXXX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-289 A Abilene TX 515J IP HORIZON LLC 550      
325-316 1 Colorado City TX 515J IP HORIZON LLC 550   2024-01-03   
325-316 8 Colorado City TX 515J IP HORIZON LLC 550   2024-01-03   
325-335 8 Hamlin TX 515J IP HORIZON LLC 550   2021-03-18   
325-349 8 Abilene TX 515J IP HORIZON LLC 550   2024-01-03   
325-349 9 Abilene TX 515J IP HORIZON LLC 550   2024-01-03   
325-532 4 Albany TX 515J IP HORIZON LLC 550   2024-01-03   
325-532 5 Albany TX 515J IP HORIZON LLC 550   2024-01-03   
325-728 6 Colorado City TX 515J IP HORIZON LLC 550   2021-03-18   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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