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: BYTWTXXADS0

Remotes:

Switch Switch name Switch type
BYTWTXXBRL0  BAYTOWN  DRL 
BYTWTXXCRL0  BAYTOWN MAIN ISDN  DRL 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-420 A Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-422 A Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 A Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 0 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 1 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 2 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 3 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 4 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 6 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 7 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-425 8 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-427 A Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-428 A Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-428 0 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-428 1 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-428 2 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-428 3 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-428 4 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-428 5 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-428 7 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-428 8 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-428 9 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-834 A Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-837 A Baytown EMS TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-837 0 Baytown EMS TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-837 1 Baytown EMS TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-837 2 Baytown EMS TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-837 4 Baytown EMS TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-837 8 Baytown EMS TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
832-556 A Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
832-556 0 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
832-556 1 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
832-556 2 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
832-556 7 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
832-556 8 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
832-926 A Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
832-926 1 Baytown TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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