Walnut, IA

ZIP code 51577 is located in the rural town of Thurman, Iowa. The area is known for its scenic views of the Loess Hills and the surrounding countryside. Key landmarks include Bridgeport State Recreation Area, a popular spot for outdoor activities such as fishing and camping, as well as the historic Sidney Covered Bridge, which dates back to 1892 and is a picturesque reminder of the area's past.