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: PERCAZXCDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-558 A Portal AZ 2176 VALLEY TEL COOP INC 668      
520-642 A Elfrida AZ 2176 VALLEY TEL COOP INC 668      
520-824 A Sunizona AZ 2176 VALLEY TEL COOP INC 668      
520-826 A Pearce AZ 2176 VALLEY TEL COOP INC 668      
520-845 A San Simon AZ 2176 VALLEY TEL COOP INC 668      
520-847 A Bowie AZ 2176 VALLEY TEL COOP INC 668      
575-358 A Virden NM 2176 VALLEY TEL COOP INC 668      
575-557 A Rodeo NM 2176 VALLEY TEL COOP INC 668      
928-359 A Duncan AZ 2176 VALLEY TEL COOP INC 668      
928-687 A York Valley AZ 2176 VALLEY TEL COOP INC 668      
928-828 A Bonita AZ 2176 VALLEY TEL COOP INC 668      
928-865 A Clifton AZ 2176 VALLEY TEL COOP INC 668      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.