where is earp california
From Wikipedia, the free encyclopedia. Earp, California is an unincorporated communitiesite in San Bernardino County in the Sonoran Desert close to the California / Arizona state line at the Colorado River in Parker Valley.The town, originally named Drennan in 1910, was renamed Earp in 1929.he post office is more than 220 miles (350 km) from the county seat in San Bernardino, California is further than any other in the county. The entire region on the California side falls under area code 760. Unofficial alternate names of the area are listed as Drenna and Drennan.