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: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 432

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-432 A Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      
520-432 0 Bisbee AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2008-02-28   
520-432 1 Bisbee AZ   9636 QWEST CORPORATION 668      
520-432 2 Bisbee AZ   9636 QWEST CORPORATION 668      
520-432 3 Bisbee AZ   9636 QWEST CORPORATION 668      
520-432 4 Bisbee AZ   9636 QWEST CORPORATION 668      
520-432 5 Bisbee AZ   9636 QWEST CORPORATION 668      
520-432 6 Bisbee AZ   9636 QWEST CORPORATION 668      
520-432 7 Bisbee AZ   9636 QWEST CORPORATION 668      
520-432 8 Bisbee AZ   9636 QWEST CORPORATION 668      
520-432 9 Bisbee AZ   9636 QWEST CORPORATION 668      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.