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.


NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
520-387 A Ajo AZ AJO AZXCDS0  666      
928-422 A Seligman AZ PRSCAZFWDS0  666      
928-633 A Bagdad AZ PRSCAZFWDS0  666      
928-685 A Aguila AZ PRSCAZFWDS0  666      
928-688 A Sanders AZ SNDRAZXCDS0  666      
928-858 A Prescott AZ PRSCAZFWDS0  666      

Last updated: Tue, 24 Jan 2023 03:01:57 UTC

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