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
520-215 A Blackwater AZ LNBTAZXCDS1  666      
520-315 A Casa Blanca AZ LNBTAZXCDS1  666      
520-418 A Stotonic AZ LNBTAZXCDS1  666      
520-430 A Maricopa Village AZ LNBTAZXCDS1  666      
520-550 A Komatke AZ LNBTAZXCDS1  666      
520-562 A Sacaton AZ LNBTAZXCDS1  666      
520-796 A Lone Butte AZ LNBTAZXCDS1  666      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.