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: TOLDOH21XYZ

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
567-979 3 Castalia OH 939H COMMIO, LLC 326   2023-08-19   
567-979 4 Castalia OH 939H COMMIO, LLC 326   2023-08-19   
567-979 5 Castalia OH 939H COMMIO, LLC 326   2023-08-19   
567-979 6 Castalia OH 939H COMMIO, LLC 326   2023-08-19   
567-998 5 Sandusky OH 939H COMMIO, LLC 326   2022-08-19   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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