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: GRTWTXXADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-942 A Georgetown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-942 1 Georgetown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-942 3 Georgetown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-942 4 Georgetown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-942 8 Georgetown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-943 1 Georgetown PPCP TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-943 5 Georgetown PPCP TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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