Tolstoy, SD

ZIP code 57475 covers Onida, South Dakota, a small town situated in Sully County. The area is known for its vast grasslands, rolling prairies, and farming communities. Key landmarks in ZIP code 57475 include the Sully County Courthouse and the Oahe Dam, which provides recreational opportunities such as fishing and boating on Lake Oahe. The town offers a peaceful and scenic setting for residents and visitors alike.