Phillips is a small unincorporated community in El Dorado County, California. It is located on the South Fork of the American River, 2.5mi west of Echo Summit, at an elevation of 6,873 feet . It is the site of the Sierra-at-Tahoe ski resort. The ZIP code is 95720. The community is inside area code 530.Joseph Wells Davis Phillips began cattle ranching here in 1859, and opened a hotel in 1863. The Vade post office operated at Phillips from 1912 to 1961.