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: TRRHINXADS2

Remotes:

Switch Switch name Switch type
CORYINXARL0  CORY  5ER 
CYCYINXARS0  CLAY CITY  5BR 
RILYINXARS3  RILEY  ORM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
812-231 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-232 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-234 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-235 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-237 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-238 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-242 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-244 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-262 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-263 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-478 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-742 A Terre Haute IN 0772 FRONTIER NORTH, INC.. - IN 938      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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