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: WALSTXXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
979-478 A Wallis TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
979-478 2 Wallis TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
979-478 6 Wallis TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
979-478 7 Wallis TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
979-658 A Wallis TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
979-658 0 Wallis TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      

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

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