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: ELPYTXZC0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
915-237 0 Vinton TX 515J IP HORIZON LLC 540   2021-03-15   
915-266 A El Paso TX 515J IP HORIZON LLC 540      
915-285 6 Vinton TX 515J IP HORIZON LLC 540   2023-12-28   
915-285 9 Vinton TX 515J IP HORIZON LLC 540   2023-12-28   
915-295 1 Clint TX 515J IP HORIZON LLC 540   2021-03-15   
915-933 0 Canutillo TX 515J IP HORIZON LLC 540   2021-03-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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