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: 475

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-475 A Tucson AZ TCSNAZMAY0X  425J CSC WIRELESS, LLC 668      
520-475 0 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668   2020-08-05   
520-475 1 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668   2020-08-05   
520-475 2 Tucson AZ TCSNAZMAY0X  425J CSC WIRELESS, LLC 668   2020-08-04   
520-475 3 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-09-06   
520-475 4 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-09-06   
520-475 5 Tucson AZ TCSNAZMAXYX  508J CENTURYLINK COMMUNICATIONS, LLC 668   2020-08-21   
520-475 6 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2020-08-22   
520-475 7 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2020-08-22   
520-475 8 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2020-08-22   
520-475 9 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2020-08-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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