Find the last 4 digits (ZIP+4) for an address in 57038

ZIP 57038, Jefferson, SD is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 57038 – Jefferson, SD

Jefferson, South Dakota · Union County · Central time

ZIP code57038
CityJefferson
StateSouth Dakota
CountyUnion County
Area code605
Population1,796
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area50.58 sq mi
Center (lat, long)42.5779, -96.5766

Map

Nearby ZIP codes

57049 North Sioux City · 5.1 mi51109 Sioux City · 5.9 mi51103 Sioux City · 7.6 mi68743 Jackson · 7.7 mi51062 Westfield · 8.5 mi51104 Sioux City · 9.3 mi68770 Ponca · 9.6 mi68776 South Sioux City · 10.6 mi

About ZIP 57038

ZIP code 57038 is assigned to Jefferson, South Dakota. It lies in Union County. Its Census area covers about 50.58 square miles of land. The closest neighboring ZIP is 57049 (North Sioux City), about 5.1 miles away.

Every address in 57038 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