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: LKBRTXXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-784 A Lake Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-784 5 Lake Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-784 6 Lake Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-784 7 Lake Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-784 8 Lake Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-784 9 Lake Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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