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
520-558 A Portal AZ PERCAZXCDS0  668      
520-824 A Sunizona AZ PERCAZXCDS0  668      
520-826 A Pearce AZ PERCAZXCDS0  668      
520-845 A San Simon AZ PERCAZXCDS0  668      
520-847 A Bowie AZ PERCAZXCDS0  668      
575-358 A Virden NM   668      
575-436 A Playas NM ANMSNMXCDS0  664      
575-531 A Columbus NM ANMSNMXCDS0  664      
575-548 A Animas NM ANMSNMXCDS0  664      
575-557 A Rodeo NM PERCAZXCDS0  668      
928-828 A Bonita AZ PERCAZXCDS0  668      
928-865 A Clifton AZ   668      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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