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: 979

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-979 A Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-979 0 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-979 1 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-979 2 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-979 3 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2008-09-04   
520-979 4 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2004-07-20   
520-979 5 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2004-07-20   
520-979 6 Tucson AZ   5562 METROPCS, INC. 668   2004-07-20   
520-979 7 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2004-05-25   
520-979 8 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2004-05-25   
520-979 9 Tucson AZ   5562 METROPCS, INC. 668      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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