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.
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OCN: 410H WIDE VOICE, LLC - AZ

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
520-801 A Tucson AZ   668   2025-06-12   
520-801 1 Tucson AZ   668   2025-06-12   
602-601 A Phoenix AZ PHNXAZMAXKY  666      
602-601 1 Phoenix AZ PHNXAZMAXKY  666   2017-03-18   
602-612 A Phoenix AZ PHNXAZMAXNY  666      
602-612 1 Phoenix AZ PHNXAZMAXNY  666   2018-06-11   
928-929 A Gila Bend AZ PHNXAZMAXNY  666      
928-929 1 Gila Bend AZ PHNXAZMAXNY  666   2017-04-24   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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