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: EKHTINXADS1

Remotes:

Switch Switch name Switch type
GSHNINXARS0  GOSHEN RSM  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
574-524 A Elkhart IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-524 1 Elkhart IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-524 2 Elkhart IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-524 3 Elkhart IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-524 4 Elkhart IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-524 7 Elkhart IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-524 8 Elkhart IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-524 9 Elkhart IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-821 0 Middlebury IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-821 1 Middlebury IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-891 A Dunlap IN 0772 FRONTIER NORTH, INC.. - IN 332      
574-891 2 Dunlap IN 0772 FRONTIER NORTH, INC.. - IN 332      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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