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: 302

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-302 A Blue Ridge Summit PA CHBGPAXCXDX  547E ONVOY, LLC - PA 226   2024-01-22   
223-302 0 Blue Ridge Summit PA HRBGPAHAXAZ  002F BANDWIDTH.COM CLEC, LLC - PA 226   2021-06-27   
223-302 1 Blue Ridge Summit PA HRBGPAHAXMD  073H TELNYX LLC 226   2021-12-13   
223-302 2 Blue Ridge Summit PA CHBGPAXCXDX  547E ONVOY, LLC - PA 226   2022-03-05   
223-302 5 Blue Ridge Summit PA CHBGPAXCXDX  547E ONVOY, LLC - PA 226   2022-07-29   
223-302 8 Blue Ridge Summit PA CHBGPAXCXDX  547E ONVOY, LLC - PA 226   2023-10-09   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.