Local Calling Guide

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NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-333 A Tucson AZ TCSNAZMAGT0  4793 XO ARIZONA, INC. 668      
520-333 0 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-02-11   
520-333 1 Tucson AZ TCSNAZMAGT0  4793 XO ARIZONA, INC. 668   2011-02-14   
520-333 2 Tucson AZ TCSNAZMAGT0  4793 XO ARIZONA, INC. 668   2011-02-14   
520-333 3 Tucson AZ TCSNAZMAGT0  4793 XO ARIZONA, INC. 668   2011-02-14   
520-333 4 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2011-11-30   
520-333 5 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-11-30   
520-333 6 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-11-30   
520-333 7 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2012-03-16   
520-333 8 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-02-11   
520-333 9 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-02-11   

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

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