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: PTLDTXXADS0

Remotes:

Switch Switch name Switch type
ARPSTXXA3MD    POI 
INSDTXXA4MD    POI 
TAFTTXXARS0  TAFT  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
361-643 A Portland Gregory TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-777 A Portland Gregory TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-777 0 Portland Gregory TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-777 1 Portland Gregory TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-777 2 Portland Gregory TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-777 3 Portland Gregory TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-777 4 Portland Gregory TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

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