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: LGVWTXPLX8Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
430-241 3 Deadwood TX 515J IP HORIZON LLC 554   2025-05-01   
430-241 4 Deadwood TX 515J IP HORIZON LLC 554   2025-05-01   
430-260 0 Lindale Swan TX 515J IP HORIZON LLC 554   2021-03-18   
430-281 1 Carthage TX 515J IP HORIZON LLC 554   2025-05-01   
430-281 4 Carthage TX 515J IP HORIZON LLC 554   2025-05-01   
430-297 6 Mount Pleasant TX 515J IP HORIZON LLC 554   2023-12-28   
430-297 7 Mount Pleasant TX 515J IP HORIZON LLC 554   2023-12-28   
430-323 0 Longview TX 515J IP HORIZON LLC 554   2023-12-28   
430-323 1 Longview TX 515J IP HORIZON LLC 554   2023-12-28   
430-324 7 Atlanta TX 515J IP HORIZON LLC 554   2025-03-10   
430-324 9 Atlanta TX 515J IP HORIZON LLC 554   2025-03-10   
430-325 0 Mineola TX 515J IP HORIZON LLC 554   2023-12-29   
430-325 1 Mineola TX 515J IP HORIZON LLC 554   2023-12-29   
430-325 5 Mineola TX 515J IP HORIZON LLC 554   2025-03-10   
430-325 6 Mineola TX 515J IP HORIZON LLC 554   2025-03-10   
430-354 2 Lindale Swan TX 515J IP HORIZON LLC 554   2025-03-10   
430-354 3 Lindale Swan TX 515J IP HORIZON LLC 554   2025-03-10   
903-991 A Tyler TX 515J IP HORIZON LLC 554      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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