Houghton, IA

ZIP code 52631 covers the city of Keokuk in Lee County, Iowa. This area is home to the iconic Lock and Dam No. 19, a significant landmark along the Mississippi River. Additionally, Keokuk boasts the George M. Verity Riverboat Museum, showcasing the history and importance of steamboats in the region. The zip code also encompasses several parks, offering outdoor recreational opportunities for residents and visitors alike.