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: PHNXAZMAXQY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
480-780 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
480-817 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
480-918 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
480-920 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
480-954 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
520-580 A Superior AZ 624H ONVOY SPECTRUM, LLC 666      
602-780 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
602-823 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
602-846 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
602-874 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
602-969 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
623-279 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
623-306 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
623-309 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
623-324 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
623-439 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
623-632 A Phoenix AZ 624H ONVOY SPECTRUM, LLC 666      
928-880 A Kingman AZ 624H ONVOY SPECTRUM, LLC 666   2024-02-24   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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