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: JCSNOHXADS0

Remotes:

Switch Switch name Switch type
GLADOHXARS0  GLADE  GTR 
MCAROHXBRS2  MCARTHUR  GTR 
OKHLOHXARS0  OAK HILL  GTR 
WKVLOHXARS1  WILKESVILLE  GTR 
WLTNOHXARS0  WELLSTON  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
740-286 A Jackson OH 0615 FRONTIER NORTH, INC. - OH 324      
740-288 A Jackson OH 0615 FRONTIER NORTH, INC. - OH 324      
740-395 A Jackson OH 0615 FRONTIER NORTH, INC. - OH 324      
740-577 A Jackson OH 0615 FRONTIER NORTH, INC. - OH 324      

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

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