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: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-313 A Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-313 0 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-313 1 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-313 2 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2003-05-07   
520-313 3 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-313 4 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-313 5 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2003-05-07   
520-313 6 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2003-05-07   
520-313 7 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2003-05-07   
520-313 8 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2003-08-27   
520-313 9 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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