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ZIP Code 57365 – Oacoma, SD

Oacoma, South Dakota · Lyman County · Central time

ZIP code57365
CityOacoma
StateSouth Dakota
CountyLyman County
Area code605
Population599
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area62.47 sq mi
Center (lat, long)43.8113, -99.4164

Map

Nearby ZIP codes

57326 Chamberlain · 4.3 mi57325 Chamberlain · 5.4 mi57569 Reliance · 7.6 mi57370 Pukwana · 12.4 mi57534 Hamill · 20.9 mi57544 Kennebec · 21.9 mi57339 Fort Thompson · 21.9 mi57355 Kimball · 24.2 mi

About ZIP 57365

ZIP code 57365 is assigned to Oacoma, South Dakota. It lies in Lyman County. Its Census area covers about 62.47 square miles of land. The closest neighboring ZIP is 57326 (Chamberlain), about 4.3 miles away.

Every address in 57365 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