<P> Area code 270 serves the Commonwealth of Kentucky's western and south central counties . Area code 270 was split from area code 502 on April 19, 1999 . Planning for the introduction of a second area code for the region, area code 364, began in 2007 . After several years of delay, it was announced in December 2012 that the second code would be introduced as an overlay in August 2013, with mandatory 10 - digit dialing within the geographic region beginning on February 1, 2014 . Numbers in area code 364 were made available for assignment on March 3, 2014 . </P> <P> Major cities in the region include Hopkinsville, Paducah, Henderson, Murray, Bowling Green, Owensboro, Elizabethtown, and Madisonville . It also includes Kentucky's share of Fort Campbell . </P>

Where is area code 270 located in the usa