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ZIP Code 57049 – North Sioux City, SD

North Sioux City, South Dakota · Union County · Central time

ZIP code57049
CityNorth Sioux City
StateSouth Dakota
CountyUnion County
Area code605
Population7,962
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area14.17 sq mi
Center (lat, long)42.5233, -96.5097

Map

Nearby ZIP codes

51103 Sioux City · 3.1 mi57038 Jefferson · 5.1 mi51104 Sioux City · 5.5 mi68776 South Sioux City · 5.6 mi51101 Sioux City · 6.2 mi51109 Sioux City · 6.3 mi68743 Jackson · 6.8 mi51105 Sioux City · 7.4 mi

About ZIP 57049

ZIP code 57049 is assigned to North Sioux City, South Dakota. It lies in Union County. Its Census area covers about 14.17 square miles of land. The closest neighboring ZIP is 51103 (Sioux City), about 3.1 miles away.

Every address in 57049 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources