Poplar, MT

ZIP code 59255 belongs to the town of Poplar, Montana. Situated in Roosevelt County, this area is home to important landmarks such as the Fort Peck Indian Reservation, which covers over two million acres and is the home of the Assiniboine and Sioux tribes. Additionally, Poplar is located near the Fort Peck Dam, a massive structure on the Missouri River that provides flood control and hydroelectric power to the region.