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: MTONILXCXQX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-399 0 Kincaid IL 145J TERRA NOVA TELECOM INC. 976   2026-04-30   
217-851 8 Litchfield IL 145J TERRA NOVA TELECOM INC. 976   2026-07-05   
217-932 8 Casey IL 145J TERRA NOVA TELECOM INC. 976   2026-04-30   
217-998 9 Gays IL 145J TERRA NOVA TELECOM INC. 976   2025-08-02   
217-999 8 Mount Olive IL 145J TERRA NOVA TELECOM INC. 976   2025-08-02   
447-322 A Mattoon IL 145J TERRA NOVA TELECOM INC. 976   2025-08-17   

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

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