Marathon, IA

ZIP code 50565 is located in Onawa, Iowa. This area is home to the Lewis and Clark State Park, offering picturesque views and outdoor recreational activities such as camping and fishing. Another notable landmark in 50565 is the Monona County Fairgrounds, hosting events and activities throughout the year. The zip code is known for its small-town charm and natural beauty, making it a popular destination for visitors and residents alike.