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: LIMAOHEIRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
419-879 A Lima OH 0640 TSC COMMUNICATIONS, INC. - OH 923      
567-453 A Alger OH 0640 TSC COMMUNICATIONS, INC. - OH 923   2024-05-20   
567-940 A Lima OH 0640 TSC COMMUNICATIONS, INC. - OH 923      
937-858 A Botkins OH 0640 TSC COMMUNICATIONS, INC. - OH 923      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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