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: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-243 A New Bloomfield PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226      
223-243 0 New Bloomfield PA   073H TELNYX LLC 226   2021-01-29   
223-243 1 New Bloomfield PA   5562 T-MOBILE USA, INC. 226   2021-05-08   
223-243 2 New Bloomfield PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226   2020-12-07   
223-243 3 New Bloomfield PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226   2020-12-07   
223-243 4 New Bloomfield PA HRBGPAHAXZX  506J TWILIO INTERNATIONAL INC 226   2020-12-22   
223-243 5 New Bloomfield PA   547E ONVOY, LLC - PA 226   2021-02-18   
223-243 6 New Bloomfield PA   547E ONVOY, LLC - PA 226   2021-02-18   
223-243 7 New Bloomfield PA   5562 T-MOBILE USA, INC. 226   2021-05-08   
223-243 8 New Bloomfield PA   624H ONVOY SPECTRUM, LLC 226   2021-05-10   
223-243 9 New Bloomfield PA   516J TON80 COMMUNICATIONS LLC 226   2021-06-26   

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.