Find the last 4 digits (ZIP+4) for an address in 57661

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ZIP Code 57661 – Whitehorse, SD

Whitehorse, South Dakota · Dewey County · Mountain time

ZIP code57661
CityWhitehorse
StateSouth Dakota
CountyDewey County
Area code605
Population177
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area28.09 sq mi
Center (lat, long)45.2665, -100.9776

Map

Nearby ZIP codes

57630 Glencross · 8 mi57656 Timber Lake · 12.5 mi57652 Ridgeview · 16.9 mi57657 Trail City · 19.6 mi57625 Eagle Butte · 20 mi57636 Lantry · 27.6 mi57639 Little Eagle · 29.6 mi57601 Mobridge · 30.2 mi

About ZIP 57661

ZIP code 57661 is assigned to Whitehorse, South Dakota. It lies in Dewey County. Its Census area covers about 28.09 square miles of land. The closest neighboring ZIP is 57630 (Glencross), about 8 miles away.

Every address in 57661 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