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.

Switch: FRBGTXXAPS1

Remotes:

Switch Switch name Switch type
WLCYTXXARP0    RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
830-277 9 Charlotte TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-429 2 Somerset TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-454 A Johnson City TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-454 0 Johnson City TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-596 5 Granite Shoals TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-767 4 Jourdanton PPCP TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-779 9 Lavernia TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-789 0 Gillett TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-816 4 Boerne PPCP TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-990 A Fredericksburg TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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