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: CNCNOHWSXIZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
283-209 6 Cincinnati OH 478J NUSO, LLC 922   2023-12-03   
283-209 7 Cincinnati OH 478J NUSO, LLC 922   2023-12-03   
513-778 A Cincinnati OH 478J NUSO, LLC 922      
513-778 1 Cincinnati OH 478J NUSO, LLC 922   2020-12-11   
812-776 8 Peoria IN 478J NUSO, LLC 922   2020-10-04   
859-365 A Alexandria KY 478J NUSO, LLC 922      
859-365 1 Alexandria KY 478J NUSO, LLC 922   2020-10-25   
859-365 3 Alexandria KY 478J NUSO, LLC 922   2024-01-06   
859-365 4 Alexandria KY 478J NUSO, LLC 922   2024-01-06   

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

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