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.
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Switch: RENPTXXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-221 A Reno EMS TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-221 1 Reno EMS TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-221 2 Reno EMS TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-221 3 Reno EMS TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-221 4 Reno EMS TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-221 5 Reno EMS TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-221 9 Reno EMS TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-677 A Reno TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-677 2 Reno TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-677 3 Reno TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-677 4 Reno TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-677 5 Reno TX 2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      

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

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