Accredited by the Pennsylvania Public Utility Fee on October 27, 2016 the brand new space code 223 will serve the south portion of the state at the moment utilizing space code 717, protecting cities comparable to Lancaster, Gettysburg, Harrisburg. There will likely be a permissive 7/10 digit dialing interval after which all calls within the space will likely be dialed utilizing 10 digits.
See official announcement from NANPA and other info (PDF doc).
Go to area code 223 web page for an inventory of cities served, map and different information.