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: BWWDTXXADS0

Remotes:

Switch Switch name Switch type
BNGSTXXARS0  BANGS  GTR 
ZPHYTXXARL0  ZEPHYR  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-430 A Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-641 A Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-643 A Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-646 A Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-649 A Brownwood TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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