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: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-612 A Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-612 0 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2012-07-22   
520-612 1 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2012-08-11   
520-612 2 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2012-08-11   
520-612 3 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-09-22   
520-612 4 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-09-22   
520-612 5 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-10-27   
520-612 6 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-08-27   
520-612 7 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2012-09-01   
520-612 8 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-10-27   
520-612 9 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-10-27   

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

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