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: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-877 A York PA HRBGPAGU5MD  965H FRACTEL, LLC 226      
223-877 0 York PA   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 226   2021-11-03   
223-877 1 York PA   515J IP HORIZON LLC 226   2022-02-18   
223-877 2 York PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2024-09-12   
223-877 3 York PA   547E ONVOY, LLC - PA 226   2020-12-04   
223-877 4 York PA   547E ONVOY, LLC - PA 226   2020-12-04   
223-877 5 York PA   547E ONVOY, LLC - PA 226   2020-12-04   
223-877 6 York PA   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 226   2021-05-10   
223-877 7 York PA   965H FRACTEL, LLC 226   2020-07-20   
223-877 8 York PA   547E ONVOY, LLC - PA 226   2020-12-04   
223-877 9 York PA   073H TELNYX LLC 226   2021-03-21   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.