Sidney, MT

Located in the state of Montana, ZIP code 59270 is home to the town of Poplar. This small community is situated in the Fort Peck Indian Reservation and is known for its rich Native American culture. Some important landmarks in the area include the Poplar River, the Fort Peck Assiniboine and Sioux Tribes Reservation, and the Fort Peck Lake, which offers various recreational activities for locals and visitors alike.