Mammoth, Missouri Unincorporated community Mammoth, Missouri Coordinates: 36°32′09″N 92°24′03″W﻿ / ﻿36.53583°N 92.40083°W﻿ / 36.53583; -92.40083Coordinates: 36°32′09″N 92°24′03″W﻿ / ﻿36.53583°N 92.40083°W﻿ / 36.53583; -92.40083 Country United States State Missouri County Ozark Elevation 669 ft (204 m) Time zone Central (CST) (UTC-6) • Summer (DST) CDT (UTC-5) Area code(s) 417 GNIS feature ID 733841[1]