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: PHNXAZMAXYX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
928-888 4 Grand Canyon AZ 7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666   2017-08-21   
928-892 4 Show Low AZ 7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666   2017-04-10   
928-968 2 Prescott AZ 7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666   2022-07-08   

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

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