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About Red Mountain, California

Red Mountain, formerly known as Osdick, is an unincorporated community in San Bernardino County, California, United States.Red Mountain is 32 miles (51 km) south-southwest of Trona, part of the mining district of Randsburg, California and Johannesburg, California.Red Mountain has a post office with ZIP code 93558. The post office opened under the name Osdick in 1922 and changed its name to Red Mountain in 1929.

News from Red Mountain

Red Mountain Facts

  • Area Code: 760
  • Elevation: 3602
  • Postal Codes: 93558
  • Timezone: Pacific