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: TRRHIN025MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
812-562 2 Lewis IN 145J TERRA NOVA TELECOM INC. 938   2023-11-11   
812-939 7 Clay City IN 145J TERRA NOVA TELECOM INC. 938   2024-05-26   
930-522 A Terre Haute IN 145J TERRA NOVA TELECOM INC. 938      

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

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