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U.S. ZIP Code 51110
5-digit United States postal code #51110, Sioux City, IA
ZIP: 51110
Place Name: Sioux City
State: Iowa
State Abbreviation: IA
Coordinates: 42° 24' 3.96" N, 96° 22' 19.2" W
Latitude: 42.401100000000
Longitude: -96.372000000000
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All zip codes in Place Name: Sioux City