Local Calling Guide

Area code/prefix search

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St Johns, AZ

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
928-321 A SHLWAZ01CM4  4146 SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA 666      
928-337 A STJHAZXBRS0  4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-337 0 STJHAZXBRS0  4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-337 1 PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2012-03-18   
928-337 2 STJHAZXBRS0  4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-337 3 STJHAZXBRS0  4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-337 4 STJHAZXBRS0  4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-337 5 STJHAZXBRS0  4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-337 6 STJHAZXBRS0  4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-337 7 STJHAZXBRS0  4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-337 8 PHNXAZUI8MD  508J CENTURYLINK COMMUNICATIONS, LLC 666   2015-09-26   
928-337 9 STJHAZXBRS0  4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-886 A PHNXAZ19CMD  516J TON80 COMMUNICATIONS, LLC 666      
928-886 0 PHNAAZGY3MD  073H TELNYX LLC 666   2022-07-29   
928-886 6 PHNXAZ19CMD  516J TON80 COMMUNICATIONS, LLC 666   2022-04-13   
928-886 8   145J TERRA NOVA TELECOM INC. 666   2025-07-14   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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