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: LAFRTXXADS0

Remotes:

Switch Switch name Switch type
SNRSTXXARS0  SANTA ROSA  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-797 A La Feria TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 0 La Feria TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 1 La Feria TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 2 La Feria TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 3 La Feria TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 4 La Feria TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 5 La Feria TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-797 8 La Feria TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      

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

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