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: GRVIILXADS0

Remotes:

Switch Switch name Switch type
CDPNILXARS0  CEDAR POINT  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-339 A Granville IL 1036 FRONTIER NORTH, INC. - IL 358      
815-339 2 Granville IL 1036 FRONTIER NORTH, INC. - IL 358      
815-339 6 Granville IL 1036 FRONTIER NORTH, INC. - IL 358      
815-339 9 Granville IL 1036 FRONTIER NORTH, INC. - IL 358      

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

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