Oatman is a former mining town in the Black Mountains of Mohave County, Arizona, United States. Located at an elevation of 2700 ft/896m, it began as a tent camp soon after two prospectors struck a $10 million gold find in 1915, though the area had been already settled for a number of years. Oatman's population grew to more than 3,500 in the course of a year. Oatman has the ZIP code of 86433. The 86433 ZIP Code Tabulation Area had a population of 128 at the 2000 census.