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: BLTNILTS7MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-380 8 Lincoln IL 145J TERRA NOVA TELECOM INC. 366   2026-05-05   
217-570 8 Clinton IL 145J TERRA NOVA TELECOM INC. 366   2026-06-04   
217-596 2 Beason IL 145J TERRA NOVA TELECOM INC. 366   2026-01-04   
217-642 0 Hartsburg IL 145J TERRA NOVA TELECOM INC. 366   2026-01-04   
779-855 A Forrest (Livingston) IL 145J TERRA NOVA TELECOM INC. 366      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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