A brand new space code was introduced for the state of Kentucky in December 2012. The brand new 364 NPA might be launched on March 3, 2014 and can overlay space code 270 masking KY cities comparable to Bowling Inexperienced, Elizabethtown, Owensboro, Paducah. 10 digit dialing might be obligatory beginning February 1, 2014 for calls inside the newly created overlay space 270/364. A permissive 10 digit dialing interval is scheduled to start on August 3, 2013. Through the permissive dialing interval native calls inside space code 270 could also be dialed utilizing each 7 and 10 digit dialing.
See official NANPA announcement (PDF doc).
Go to area code 364 web page for a listing of cities served, map and different data.