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: MDLDTXMUXFY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
432-201 6 Seminole TX 515J IP HORIZON LLC 542   2021-03-15   
432-218 0 Midland TX 515J IP HORIZON LLC 542   2021-03-15   
432-241 9 Terminal TX 515J IP HORIZON LLC 542   2021-03-20   
432-280 A Odessa TX 515J IP HORIZON LLC 542      
432-336 0 Fort Stockton TX 515J IP HORIZON LLC 542   2021-03-15   
432-517 1 Big Spring TX 515J IP HORIZON LLC 542   2021-03-15   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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