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.

Window Rock, AZ

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
928-265 A STMCAZAB1MD  4146 SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA 980      
928-309 A STMCAZAB1MD  4146 SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA 980      
928-357 A STMCAZXEXMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 980      
928-357 6 STMCAZXEXMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 980   2019-12-30   
928-407 A STMCAZXE7MD  073H TELNYX LLC 980      
928-407 0 STMCAZXE7MD  073H TELNYX LLC 980   2021-09-05   
928-810 A STMCAZXEDS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-810 0 STMCAZXEDS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-810 1 STMCAZXE5MD  5736 COMMNET WIRELESS, LLC 980   2012-03-01   
928-810 2 STMCAZXEDS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-810 3 STMCAZXEDS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-810 4 STMCAZXEDS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-810 5 STMCAZXEDS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-810 6 STMCAZXE5MD  5736 COMMNET WIRELESS, LLC 980   2015-07-16   
928-810 7 STMCAZXEDS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-810 8 STMCAZXEDS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-810 9 STMCAZXE6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 980   2021-10-22   
928-815 A STMCAZXEPS1  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-815 4 STMCAZXEPS1  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980   2011-04-02   
928-871 A STMCAZXEDS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-902 A STMCAZAB1MD  4146 SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA 980      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.