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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-834 A Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-834 0 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-834 1 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-834 2 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-03-17   
520-834 3 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-03-17   
520-834 4 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-03-17   
520-834 5 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-03-17   
520-834 6 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-03-17   
520-834 7 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-03-17   
520-834 8 Tucson AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2006-08-28   
520-834 9 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.