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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-278 A Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668      
520-278 0 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668   2014-10-26   
520-278 1 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668   2014-12-01   
520-278 2 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668   2014-11-17   
520-278 3 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668   2014-12-01   
520-278 4 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668   2014-11-17   
520-278 5 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2016-03-03   
520-278 6 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668   2016-04-04   
520-278 7 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668   2016-03-01   
520-278 8 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-10-28   
520-278 9 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668   2014-10-26   

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

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