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: STRTILXADS0

Remotes:

Switch Switch name Switch type
GDRGILXARS0  GRAND RIDGE  GTR 
LGPNILXARS0  LONG POINT  GTR 
LSTNILXARS0  LOSTANT  GTR 
MGNLILXARS0  MAGNOLIA  GTR 
RTLDILXARS0  RUTLAND  GTR 
TOLCILXARS0  TOLUCA  GTR 
WENNILXARS0  WENONA  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-672 A Streator IL 1015 FRONTIER NORTH, INC. - IL 366      
815-673 A Streator IL 1015 FRONTIER NORTH, INC. - IL 366      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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