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: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-309 A Spring Grove PA HRBGPAHAXTX  318J COMCAST IP PHONE, LLC 226      
223-309 0 Spring Grove PA YORKPAXMXAX  547E ONVOY, LLC - PA 226   2023-11-04   
223-309 1 Spring Grove PA YORKPAXMXAX  547E ONVOY, LLC - PA 226   2023-11-04   
223-309 2 Spring Grove PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226   2023-07-06   
223-309 3 Spring Grove PA HRBGPAHAXTX  318J COMCAST IP PHONE, LLC 226   2023-04-30   
223-309 4 Spring Grove PA HRBGPAHAXTX  318J COMCAST IP PHONE, LLC 226   2023-04-30   
223-309 9 Spring Grove PA YORKPAXMXAX  547E ONVOY, LLC - PA 226   2024-02-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.