Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.