Tensed, ID

ZIP code 83870 encompasses the town of St. Maries in northern Idaho. This area is known for its beautiful natural features, including the St. Joe River and St. Maries River. The town is home to the historic Heyburn State Park, the oldest state park in the Pacific Northwest, offering camping, hiking, and water activities. St. Maries also boasts the St. Maries Historic District, showcasing its rich logging and railroad history.