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: SPRRAZMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-689 A Superior AZ 9636 QWEST CORPORATION 666      
520-689 0 Superior AZ 9636 QWEST CORPORATION 666      
520-689 1 Superior AZ 9636 QWEST CORPORATION 666      
520-689 2 Superior AZ 9636 QWEST CORPORATION 666      
520-689 3 Superior AZ 9636 QWEST CORPORATION 666      
520-689 5 Superior AZ 9636 QWEST CORPORATION 666      
520-689 9 Superior AZ 9636 QWEST CORPORATION 666      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.