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: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-747 A East Berlin PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226      
223-747 0 East Berlin PA   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 226   2018-10-15   
223-747 1 East Berlin PA   547E ONVOY, LLC - PA 226   2018-12-03   
223-747 2 East Berlin PA   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 226   2020-10-30   
223-747 3 East Berlin PA   547E ONVOY, LLC - PA 226   2018-10-20   
223-747 4 East Berlin PA   547E ONVOY, LLC - PA 226   2018-10-20   
223-747 6 East Berlin PA   073H TELNYX LLC 226   2021-03-06   
223-747 7 East Berlin PA   547E ONVOY, LLC - PA 226   2018-10-14   
223-747 8 East Berlin PA   547E ONVOY, LLC - PA 226   2018-10-14   
223-747 9 East Berlin PA   547E ONVOY, LLC - PA 226   2018-12-03   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.