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.

OCN: 3304 HUMBOLDT TELEPHONE COMPANY

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
541-522 A Quinn OR MCDRNV11RS1  720      
775-272 A Orovada NV ORVDNVXADS0  720      
775-529 A Midas NV PRVYNV11RS3  720      
775-532 A McDermitt NV MCDRNV11RS1  720      
775-578 A Paradise Valley NV PRVYNV11RS3  720      
775-859 A Desert Valley NV ORVDNVXADS0  720      
775-941 A Denio NV DENONV02RS0  720      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.