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: CNCNOHWSX2Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
513-286 5 Clermont OH 939H COMMIO LLC 922   2021-06-11   
513-286 6 Clermont OH 939H COMMIO LLC 922   2021-06-11   
513-286 9 Clermont OH 939H COMMIO LLC 922   2021-06-11   
513-493 A Cincinnati OH 939H COMMIO LLC 922      
513-493 3 Cincinnati OH 939H COMMIO LLC 922   2017-12-04   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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