Mound City, SD

ZIP code 57646 covers the small town of Herreid, South Dakota. This rural area is known for its picturesque prairies, rolling hills, and agricultural landscapes. Key landmarks in this ZIP code include the Herreid School District, offering quality education to local students, and the Grand Electric Cooperative Inc., providing essential utility services to the community. Additionally, the area is dotted with ranches and farms, showcasing the region's rich farming heritage.