Approximate service area of Area Code 859 is in red.
Area code 859 serves the state of Kentucky. On a touch-tone phone, the numbers 859 correspond to the letters UKY, which stands for the University of Kentucky, located in Lexington.
Area code 859 was split from area code 606 in 1999. Its service area encompasses the following Kentucky counties (the boundary closely, but not exactly, tracks county lines):
