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
217-650 3 Atlanta IL 145J TERRA NOVA TELECOM INC. 366   2024-02-10   
217-750 5 Lincoln IL 145J TERRA NOVA TELECOM INC. 366   2024-05-10   
309-475 8 Saybrook IL 145J TERRA NOVA TELECOM INC. 366   2024-02-10   
309-487 5 Downs IL 145J TERRA NOVA TELECOM INC. 366   2024-02-10   
779-855 A Forrest (Livingston) IL 145J TERRA NOVA TELECOM INC. 366      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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