Hawarden, IA

ZIP code 51023 encompasses the small city of Fremont, Iowa. Situated along the Des Moines River, Fremont is known for its picturesque scenery and outdoor recreational opportunities. The area is home to Lacey-Keosauqua State Park, a popular destination for hiking, camping, and fishing. Additionally, the Fremont Fish Hatchery is a notable landmark, offering educational tours and exhibits on aquatic conservation.