Onslow, IA

ZIP code 52321 is located in Belle Plaine, Iowa. This small town is known for its historic landmarks, such as the Belle Plaine Historic District, which features well-preserved buildings from the late 19th and early 20th centuries. Other notable attractions include the Union Pacific Railroad Depot Museum and the historic Lincoln Highway. Belle Plaine offers a charming glimpse into Iowa's past for visitors and residents alike.