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: SANGTXXADS0

Remotes:

Switch Switch name Switch type
BRNTTXXARS0  BRONTE  GTR 
EDENTXXARS0  EDEN  GTR 
MILSTXXARS0  MILES  GTR 
ROWNTXXARS0  ROWENA  GTR 
STCYTXXARS0  STERLING CITY  GTR 
WTVYTXXAL01  WATER VALLEY  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-481 A San Angelo TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-482 A San Angelo TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-486 A San Angelo TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-654 A San Angelo TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-655 A San Angelo TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-657 A San Angelo TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-658 A San Angelo TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-659 A San Angelo 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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