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: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-273 A Allensville PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226   2024-01-22   
223-273 0 Allensville PA HRBGPAHAXMD  073H TELNYX LLC 226   2022-11-18   
223-273 2 Allensville PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226   2021-06-13   
223-273 3 Allensville PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226   2021-07-19   
223-273 6 Allensville PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226   2023-07-06   
223-273 7 Allensville PA HRBGPAGU7MD  516J TON80 COMMUNICATIONS, LLC 226   2021-06-14   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.