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: KGMNAZXCDS0

Remotes:

Switch Switch name Switch type
DLSPAZXCRS0  DOLAN SPRINGS  RSS 
GLVYAZXCRS0  GOLDEN VALLEY  RSS 
MDVWAZXCRS0  MEADVIEW  RSS 
TXTNAZABRS0  TRUXTON  RSS 
WIKPAZXCRS0  WIKIEUP  RLC 
YUCCAZXCRS0  YUCCA  RSS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
928-718 A Kingman AZ 2172 CITIZENS UTILITIES RURAL DBA FRONTIER UT RURAL 666      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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