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

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
432-766 8 Midkiff TX 515J IP HORIZON LLC 542   2023-12-28   
432-766 9 Midkiff TX 515J IP HORIZON LLC 542   2023-12-28   
432-786 1 Wink TX 515J IP HORIZON LLC 542   2023-12-28   
432-786 8 Wink TX 515J IP HORIZON LLC 542   2023-12-28   
432-878 3 Goldsmith TX 515J IP HORIZON LLC 542   2023-12-29   
432-878 8 Goldsmith TX 515J IP HORIZON LLC 542   2023-12-29   
432-923 0 Monahans TX 515J IP HORIZON LLC 542   2023-12-28   
432-946 1 Rankin TX 515J IP HORIZON LLC 542   2023-12-28   
432-946 8 Rankin TX 515J IP HORIZON LLC 542   2023-12-28   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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