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: YORKPAXMXAX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
223-354 A Dillsburg PA 547E ONVOY, LLC - PA 226   2024-03-09   
223-357 A York PA 547E ONVOY, LLC - PA 226   2024-03-09   
223-723 A Loganville PA 547E ONVOY, LLC - PA 226      
717-800 A Spring Grove PA 547E ONVOY, LLC - PA 226      
717-900 A York PA 547E ONVOY, LLC - PA 226      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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