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: 236

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-236 A Manchester (York) PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226      
223-236 0 Manchester (York) PA   073H TELNYX LLC 226   2021-03-08   
223-236 1 Manchester (York) PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226   2020-07-11   
223-236 2 Manchester (York) PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226   2020-07-11   
223-236 3 Manchester (York) PA HRBGPAHAXZX  506J TWILIO INTERNATIONAL INC 226   2020-12-22   
223-236 4 Manchester (York) PA   547E ONVOY, LLC - PA 226   2021-02-18   
223-236 5 Manchester (York) PA   547E ONVOY, LLC - PA 226   2021-02-18   

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.