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: BNTNILXEDS0

Remotes:

Switch Switch name Switch type
EWNGILXERS0  EWING  GTR 
ZGLRILXFRS1  ZEIGLER  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
618-435 A Benton IL 1015 FRONTIER NORTH, INC. - IL 362      
618-438 A Benton IL 1015 FRONTIER NORTH, INC. - IL 362      
618-439 A Benton IL 1015 FRONTIER NORTH, INC. - IL 362      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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