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: 585

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-585 A Tucson AZ TCSMAZOI3MD  5562 METROPCS, INC. 668      
520-585 0 Tucson AZ   5562 METROPCS, INC. 668   2016-05-07   
520-585 1 Tucson AZ   5562 METROPCS, INC. 668   2016-05-07   
520-585 2 Tucson AZ   5562 METROPCS, INC. 668   2016-06-06   
520-585 3 Tucson AZ   5562 METROPCS, INC. 668   2016-06-06   
520-585 4 Tucson AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2016-05-08   
520-585 5 Tucson AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2016-05-08   
520-585 6 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2016-05-08   
520-585 7 Tucson AZ   6529 T-MOBILE USA, INC. 668   2016-06-21   
520-585 8 Tucson AZ   6529 T-MOBILE USA, INC. 668   2016-06-21   
520-585 9 Tucson AZ   5562 METROPCS, INC. 668   2016-05-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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