De Smet, SD

ZIP code 57231 encompasses the town of Grenville, South Dakota. This rural area is known for its picturesque views of Waubay Lake, offering opportunities for boating, fishing, and birdwatching. Grenville is home to the Grenville Public School, a focal point of the community, along with the Grenville Market, a convenient stop for residents and visitors alike looking to grab necessities.