Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Harquahala Valley, AZ

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
928-372 A HRVYAZXCGT0  2171 ARIZONA TEL. CO. 666      
928-372 2   2171 ARIZONA TEL. CO. 666      
928-746 A PHNXAZ19CMD  516J TON80 COMMUNICATIONS, LLC 666      
928-746 7   516J TON80 COMMUNICATIONS, LLC 666   2022-04-13   
928-918 A PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-918 0   630E ONVOY, LLC - AZ 666   2021-01-16   
928-918 1   630E ONVOY, LLC - AZ 666   2021-01-16   
928-918 2   630E ONVOY, LLC - AZ 666   2021-01-16   
928-918 3   630E ONVOY, LLC - AZ 666   2021-07-04   
928-918 4   624H ONVOY SPECTRUM, LLC 666   2021-07-24   
928-918 5   630E ONVOY, LLC - AZ 666   2021-08-08   
928-918 6   624H ONVOY SPECTRUM, LLC 666   2021-11-07   
928-918 8   630E ONVOY, LLC - AZ 666   2020-08-01   
928-918 9   145J TERRA NOVA TELECOM INC. 666   2025-07-17   

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

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