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: ORVDNVXADS0

Remotes:

Switch Switch name Switch type
DENONV02RS0  DENIO  1RC 
MCDRNV11RS1  MCDERMITT  DLM 
PRVYNV11RS3  PARADISE VALLEY  DLM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
775-272 A Orovada NV 3304 HUMBOLDT TELEPHONE COMPANY 720      
775-859 A Desert Valley NV 3304 HUMBOLDT TELEPHONE COMPANY 720      

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

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