Waddy is an unincorporated community within Shelby County, Kentucky, United States. This place lies along the intersection of Kentucky Routes 395 and 2867, approximately a mile south of Interstate 64 off exit 43. Although it is an unincorporated town, it has a post office with the ZIP code 40076.Waddy was shown as Station 318W in the Southern Railway Employee Time Table Number 67 dated November 15, 1942. The railroad had a 65 car siding at Waddy and 10 car additional capacity on other tracks at Waddy. The current railroad siding at Waddy on the Norfolk Southern Railroad is over two miles long.Southern Railway System Western Lines St. Louis and Louisville Divisions Time Table No. 67 effective 12:01 A. M. Central Time Sunday November 15, 1942. From the Jacob E. Anderson Time Table Collection at the Special Collections of the Commerce Public Library, Commerce, Texas.