Steens is an unincorporated community in Lowndes County, Mississippi. The ZIP Code for Steens is 39766. Steens is located at northeast of Columbus. According to the United States Geological Survey, a variant name is Jamisons Mill. The Caledonia Combined Cycle Plant, a Tennessee Valley Authority power plant, is located on 125 acres of land near Steens. References Unincorporated communities in Lowndes County, Mississippi Unincorporated communities in Mississippi