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: 480 [Rate centres in NPA 480] [Dial plan for NPA 480]

NXX: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
480-631 A Phoenix AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
480-631 0 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-06-15   
480-631 1 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-06-15   
480-631 2 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-06-15   
480-631 3 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-06-15   
480-631 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-06-15   
480-631 5 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-06-15   
480-631 6 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-06-15   
480-631 7 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-06-15   
480-631 8 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-06-15   
480-631 9 Phoenix AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2020-05-10   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.