Find the last 4 digits (ZIP+4) for an address in 57437

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ZIP Code 57437 – Eureka, SD

Eureka, South Dakota · McPherson County · Central time

ZIP code57437
CityEureka
StateSouth Dakota
CountyMcPherson CountyCampbell County
Area code605
Population1,074
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area532.86 sq mi
Center (lat, long)45.7891, -99.6250

Map

Nearby ZIP codes

57448 Hosmer · 15.3 mi58413 Ashley · 19.5 mi58581 Zeeland · 20 mi57632 Herreid · 20.4 mi57452 Java · 21.3 mi57646 Mound City · 22.2 mi57428 Bowdle · 23.4 mi57457 Long Lake · 23.5 mi

About ZIP 57437

ZIP code 57437 is assigned to Eureka, South Dakota. It crosses 2 counties; most of its land is in McPherson County. Its Census area covers about 532.86 square miles of land. The closest neighboring ZIP is 57448 (Hosmer), about 15.3 miles away.

Every address in 57437 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