Forbestown (formerly, Boles Dry Diggins and Forbes Diggins) is a small unincorporated community in Butte County, California. It lies at an elevation of 2772 feet. Its zip code is 95941 and its area code is 530. Forbestown is named for B.F. Forbes, who opened a store there in 1850. The post office was established in 1854, closed in 1925, and re-opened in 1936. Forbestown's heyday was the last half of the nineteenth century, when it was a large mining center. By the late 1930s, it was nearly a ghost town. The site has foundations and debris from its mining era.