Underwood, IA

ZIP code 51576 belongs to Shelby, Iowa. This small town is known for its historic downtown area with charming shops and restaurants. The highlight of the area is the Shelby County Courthouse, a beautiful building that was constructed in 1882. Other notable landmarks in the ZIP code include the Shelby Depot Museum, showcasing the town's railroad history, and the Prairie Trails Museum, which features exhibits on local agriculture.