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: 878

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-878 A Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-878 0 Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-878 1 Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-878 2 Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-878 3 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2007-04-02   
520-878 4 Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-878 5 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668   2008-08-13   
520-878 6 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2008-08-27   
520-878 7 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2012-11-20   
520-878 8 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2008-08-27   
520-878 9 Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      

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

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