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: ASHROKXARP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-784 A Asher OK 1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 536      
405-784 1 Asher OK 1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 536   2020-04-30   
405-784 2 Asher OK 1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 536      

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

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