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: TSCLILXCDS0

Remotes:

Switch Switch name Switch type
BRLDILXCRS0  BROADLANDS  5ER 
HOMRILXCRS0  HOMER  5ER 
NWMNILXCRS0  NEWMAN  5ER 
SDLLILXCRS0  SIDELL  5ER 
SDNYILXCRS0  SIDNEY  5ER 
VLGVILXCRS0  VILLA GROVE  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-253 A Tuscola IL 1015 FRONTIER NORTH, INC. - IL 370      

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

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