Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 928 [Rate centres in NPA 928] [Dial plan for NPA 928]

NXX: 418

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-418 A Kingman AZ GLVYAZXC2MD  6529 T-MOBILE USA, INC. 666      
928-418 0 Kingman AZ   710A ALLO COMMUNICATIONS, LLC - NE 666   2023-09-25   
928-418 1 Kingman AZ   630E ONVOY, LLC - AZ 666   2023-10-14   
928-418 2 Kingman AZ   630E ONVOY, LLC - AZ 666   2021-12-04   
928-418 3 Kingman AZ   630E ONVOY, LLC - AZ 666   2021-12-04   
928-418 4 Kingman AZ   624H ONVOY SPECTRUM, LLC 666   2021-10-25   
928-418 5 Kingman AZ   6529 T-MOBILE USA, INC. 666   2022-02-10   
928-418 6 Kingman AZ   6529 T-MOBILE USA, INC. 666   2022-02-10   
928-418 7 Kingman AZ   6529 T-MOBILE USA, INC. 666   2022-02-10   
928-418 8 Kingman AZ   6529 T-MOBILE USA, INC. 666   2021-12-11   
928-418 9 Kingman AZ   6529 T-MOBILE USA, INC. 666   2021-10-24   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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