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: JNCTTXXADS0

Remotes:

Switch Switch name Switch type
LONDTXXARS0  LONDON  DCL 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-446 A Junction TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-446 2 Junction TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-446 3 Junction TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-446 4 Junction TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-446 7 Junction TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-446 8 Junction TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-446 9 Junction TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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