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: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-243 A Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-243 0 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-06-15   
520-243 1 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2003-01-03   
520-243 2 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2003-01-03   
520-243 3 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2005-09-10   
520-243 4 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2003-01-03   
520-243 5 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2003-01-03   
520-243 6 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2003-01-03   
520-243 7 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2003-01-03   
520-243 8 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2003-01-03   
520-243 9 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2005-08-01   

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

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