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: 460

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-460 A Tucson AZ   6529 T-MOBILE USA, INC. 668      
520-460 0 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-09-29   
520-460 1 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-09-22   
520-460 2 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-12-08   
520-460 3 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-12-08   
520-460 4 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-12-08   
520-460 5 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-12-08   
520-460 6 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2012-12-20   
520-460 7 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2023-01-14   
520-460 8 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-12-08   
520-460 9 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-12-08   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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