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: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-903 A Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-903 0 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-903 1 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-903 2 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-903 3 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-903 4 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-04-07   
520-903 5 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-903 6 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-903 7 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-04-07   
520-903 8 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-04-07   
520-903 9 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      

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

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