Lookout is a census-designated place in Modoc County, California. It is located 11 miles west of Adin, at an elevation of 4144 feet. Lookout's ZIP Code is 96054.The Whitley's Ford post office operated from 1874 to 1875. The Lookout post office opened in 1880. The original name honors James W. Whitley, a local hotelier. The name Lookout recalls how Native Americans used nearby hills as observation points.