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.

NPA: 223 [Rate centres in NPA 223] [Dial plan for NPA 223]

NXX: 901

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-901 A Ephrata PA EPHRPAXEAMD  624H ONVOY SPECTRUM, LLC 226      
223-901 0 Ephrata PA HRBGPAHAXVY  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226   2022-10-22   
223-901 1 Ephrata PA EPHRPAXE4MD  547E ONVOY, LLC - PA 226   2023-10-09   
223-901 2 Ephrata PA   547E ONVOY, LLC - PA 226   2025-04-12   
223-901 6 Ephrata PA EPHRPAXE4MD  547E ONVOY, LLC - PA 226   2022-09-26   
223-901 7 Ephrata PA EPHRPAXE4MD  547E ONVOY, LLC - PA 226   2022-09-26   
223-901 8 Ephrata PA EPHRPAXE4MD  547E ONVOY, LLC - PA 226   2022-09-26   
223-901 9 Ephrata PA EPHRPAXEAMD  624H ONVOY SPECTRUM, LLC 226   2022-01-14   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.