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: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-665 A Tucson AZ MARNAZ02RS1  9636 QWEST CORPORATION 668      
520-665 0 Tucson AZ MARNAZ02RS1  9636 QWEST CORPORATION 668      
520-665 1 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-12-04   
520-665 2 Tucson AZ MARNAZ02RS1  9636 QWEST CORPORATION 668      
520-665 3 Tucson AZ TCSNAZFWDS0  9636 QWEST CORPORATION 668      
520-665 4 Tucson AZ TCSNAZFWDS0  9636 QWEST CORPORATION 668      
520-665 5 Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-665 6 Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-665 7 Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-665 8 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-12-04   
520-665 9 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-12-04   

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

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