Local Calling Guide

Area code/prefix search

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Marble Canyon, AZ

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
928-355 A MRCNAZXCDS0  2171 ARIZONA TEL. CO. 666      
928-355 2   2171 ARIZONA TEL. CO. 666      
928-355 5   145J TERRA NOVA TELECOM INC. 666   2025-07-14   
928-370 A PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-370 0   630E ONVOY, LLC - AZ 666   2021-01-16   
928-370 1   630E ONVOY, LLC - AZ 666   2021-01-16   
928-370 2   630E ONVOY, LLC - AZ 666   2021-01-16   
928-370 3   630E ONVOY, LLC - AZ 666   2020-08-13   
928-370 4   630E ONVOY, LLC - AZ 666   2021-01-16   
928-370 5   630E ONVOY, LLC - AZ 666   2021-07-05   
928-370 6   630E ONVOY, LLC - AZ 666   2021-08-08   
928-370 7   630E ONVOY, LLC - AZ 666   2020-11-24   
928-370 8   630E ONVOY, LLC - AZ 666   2022-09-11   
928-370 9   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2021-03-06   
928-507 A PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-507 3   630E ONVOY, LLC - AZ 666   2023-08-28   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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