Local Calling Guide

Area code/prefix search

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Alpine, AZ

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
928-339 A ALPIAZXCRS1  4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-339 0   4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-339 1   4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-339 2   508J CENTURYLINK COMMUNICATIONS, LLC 666   2015-09-26   
928-339 3   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2012-03-18   
928-339 4   4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-339 6   4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-339 7   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-07-17   
928-339 8   073H TELNYX LLC 666   2020-05-08   
928-339 9   4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-744 A PHNXAZ19AMD  965H FRACTEL, LLC 666      
928-744 4   965H FRACTEL, LLC 666   2020-11-29   
928-744 6   516J TON80 COMMUNICATIONS, LLC 666   2022-03-14   
928-744 7   145J TERRA NOVA TELECOM INC. 666   2025-07-14   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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