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: TNPHNVXBDS1

Remotes:

Switch Switch name Switch type
GLFDNVXFRS0  GOLDFIELD  1RC 
MNHTNVXFRS0  MANHATTAN  1RC 
SLVPNVXFRS0  SILVER PEAK  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
775-482 A Tonopah NV 2354 CITIZENS TELECOMM CO OF NV DBA FRONTIER COMM OF NV 720      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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