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: TCSNAZCRDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-228 A Tucson AZ 9636 QWEST CORPORATION 668      
520-334 6 Tucson AZ 9636 QWEST CORPORATION 668   2009-02-16   
520-512 A Tucson AZ 9636 QWEST CORPORATION 668      
520-513 A Tucson AZ 9636 QWEST CORPORATION 668      
520-514 A Tucson AZ 9636 QWEST CORPORATION 668      
520-519 A Tucson AZ 9636 QWEST CORPORATION 668      
520-519 0 Tucson AZ 9636 QWEST CORPORATION 668      
520-519 1 Tucson AZ 9636 QWEST CORPORATION 668      
520-519 2 Tucson AZ 9636 QWEST CORPORATION 668      
520-519 3 Tucson AZ 9636 QWEST CORPORATION 668      
520-519 4 Tucson AZ 9636 QWEST CORPORATION 668      
520-519 5 Tucson AZ 9636 QWEST CORPORATION 668      
520-519 6 Tucson AZ 9636 QWEST CORPORATION 668      
520-519 7 Tucson AZ 9636 QWEST CORPORATION 668      
520-519 8 Tucson AZ 9636 QWEST CORPORATION 668      
520-570 A Tucson AZ 9636 QWEST CORPORATION 668      
520-571 A Tucson AZ 9636 QWEST CORPORATION 668      
520-584 A Tucson AZ 9636 QWEST CORPORATION 668      
520-745 A Tucson AZ 9636 QWEST CORPORATION 668      
520-747 A Tucson AZ 9636 QWEST CORPORATION 668      
520-748 A Tucson AZ 9636 QWEST CORPORATION 668      
520-750 A Tucson AZ 9636 QWEST CORPORATION 668      
520-750 0 Tucson AZ 9636 QWEST CORPORATION 668      
520-750 1 Tucson AZ 9636 QWEST CORPORATION 668      
520-750 2 Tucson AZ 9636 QWEST CORPORATION 668      
520-750 4 Tucson AZ 9636 QWEST CORPORATION 668      
520-750 6 Tucson AZ 9636 QWEST CORPORATION 668      
520-750 7 Tucson AZ 9636 QWEST CORPORATION 668      
520-750 8 Tucson AZ 9636 QWEST CORPORATION 668      
520-750 9 Tucson AZ 9636 QWEST CORPORATION 668      
520-790 A Tucson AZ 9636 QWEST CORPORATION 668      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.