Anthon, IA

ZIP code 51004 encompasses the city of Sergeant Bluff, Iowa, a growing community just outside of Sioux City. Landmarks in the area include the Sergeant Floyd Monument, a tribute to the only fatality during the Lewis and Clark Expedition, and the Sergeant Bluff-Luton High School. With a mix of residential areas and commercial developments, ZIP code 51004 offers a blend of small-town charm and modern conveniences.