Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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
520-232 A Tucson AZ TCSNAZCADS0  9636 QWEST CORPORATION 668      
520-232 0 Tucson AZ   9636 QWEST CORPORATION 668      
520-232 1 Tucson AZ   9636 QWEST CORPORATION 668      
520-232 2 Tucson AZ   7184 MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- AZ 668   2005-03-18   
520-232 3 Tucson AZ   7078 COX ARIZONA TELCOM, INC. - AZ 668   2004-10-27   
520-232 4 Tucson AZ   6529 T-MOBILE USA, INC. 668   2005-07-14   
520-232 5 Tucson AZ   9636 QWEST CORPORATION 668      
520-232 6 Tucson AZ   9636 QWEST CORPORATION 668      
520-232 7 Tucson AZ   9636 QWEST CORPORATION 668      
520-232 8 Tucson AZ   9636 QWEST CORPORATION 668      
520-232 9 Tucson AZ   9636 QWEST CORPORATION 668      

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

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