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: CLMDOH44NMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
220-223 A Cheshire Center OH 490J DISH WIRELESS, LLC 324      
220-233 A Resaca OH 490J DISH WIRELESS, LLC 324      
220-260 A Waldo OH 490J DISH WIRELESS, LLC 324   2024-04-13   
380-241 A Columbus OH 490J DISH WIRELESS, LLC 324      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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