Campo is a census-designated place located in the Mountain Empire area of southeastern San Diego County, California. The population was 2,684 at the 2010 census.This article also describes the smaller community of Cameron Corners, about 1 mile south and the village of Lake Morena which is the northern part of Campo. Both communities use postal addresses in Campo. The town is approximately 2,620 feet above mean sea level.Nearby towns include Boulevard, Potrero, Tecate, Dulzura, Jacumba, Pine Valley, Mount Laguna, Descanso, and Jamul.The ZIP Code is 91906 and the community is inside area code 619.