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: HRBGPAHAXOX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
223-223 A Red Lion PA 624H ONVOY SPECTRUM, LLC 226      
223-234 A Harrisburg City Zone-1 PA 624H ONVOY SPECTRUM, LLC 226      
223-266 A Lancaster PA 624H ONVOY SPECTRUM, LLC 226      
223-293 A Fawn Grove PA 624H ONVOY SPECTRUM, LLC 226      
223-322 A Harrisburg City Zone-1 PA 624H ONVOY SPECTRUM, LLC 226      
223-343 A Hummelstown PA 624H ONVOY SPECTRUM, LLC 226      
223-344 A Dauphin PA 624H ONVOY SPECTRUM, LLC 226   2024-01-15   
223-403 A Landisville PA 624H ONVOY SPECTRUM, LLC 226      
223-433 A Loganville PA 624H ONVOY SPECTRUM, LLC 226      
484-495 A Womelsdorf PA 624H ONVOY SPECTRUM, LLC 226      

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

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