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: NEVDIAXCDS0

Remotes:

Switch Switch name Switch type
CLNSIAXORL0  COLLINS  GTR 
CLNSIAXORP0  COLLINS  RP 
EKHTIAXPRS0  ELKHART  GTL 
GLBKIAXPRS0  GLADBROOK  GTR 
GRWNIAXORS0  GARWIN  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-382 A Nevada IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
515-612 A Des Moines IA 938D WINDSTREAM IT-COMM, LLC - IA 632      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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