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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-244 A Tucson AZ   6529 T-MOBILE USA, INC. 668      
520-244 0 Tucson AZ   630E ONVOY, LLC - AZ 668   2016-05-10   
520-244 1 Tucson AZ   630E ONVOY, LLC - AZ 668   2016-05-10   
520-244 2 Tucson AZ   6529 T-MOBILE USA, INC. 668   2016-08-07   
520-244 3 Tucson AZ   630E ONVOY, LLC - AZ 668   2016-05-10   
520-244 4 Tucson AZ   6529 T-MOBILE USA, INC. 668   2016-08-07   
520-244 5 Tucson AZ   6529 T-MOBILE USA, INC. 668   2016-08-07   
520-244 6 Tucson AZ   6529 T-MOBILE USA, INC. 668   2016-06-21   
520-244 7 Tucson AZ   6529 T-MOBILE USA, INC. 668   2016-06-21   
520-244 8 Tucson AZ   6529 T-MOBILE USA, INC. 668   2016-06-21   
520-244 9 Tucson AZ   6529 T-MOBILE USA, INC. 668   2016-05-09   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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