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: LWBYPAXL1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
223-320 A Gratz PA 547E ONVOY, LLC - PA 226      
223-325 A Lewisberry PA 547E ONVOY, LLC - PA 226      
223-330 A New Holland PA 547E ONVOY, LLC - PA 226      
223-332 A Lykens PA 547E ONVOY, LLC - PA 226      
223-338 A Leola PA 547E ONVOY, LLC - PA 226   2024-01-15   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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