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: CLJTIAXODS0

Remotes:

Switch Switch name Switch type
CNSVIAXORS7  CONESVILLE  DLM 
GDVWIAXORS0  GRANDVIEW  1RC 
LTTSIAXORS7  LETTS  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-728 A Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-728 1 Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-728 2 Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-728 3 Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-728 4 Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-728 5 Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-728 6 Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-728 7 Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-728 8 Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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