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: 818

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-818 A Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-818 0 Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-818 1 Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-818 2 Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-818 3 Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-818 4 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-02-23   
520-818 5 Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-818 6 Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-818 7 Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-818 8 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-02-23   
520-818 9 Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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