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ZIP Code 57656 – Timber Lake, SD

Timber Lake, South Dakota · Dewey County · Mountain time

ZIP code57656
CityTimber Lake
StateSouth Dakota
CountyDewey CountyCorson County
Area code605
Population1,000
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area389.44 sq mi
Center (lat, long)45.4230, -101.1067

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Nearby ZIP codes

57661 Whitehorse · 12.5 mi57630 Glencross · 14.1 mi57657 Trail City · 16.6 mi57633 Isabel · 20.7 mi57639 Little Eagle · 22.8 mi57621 Bullhead · 24.2 mi57652 Ridgeview · 28.5 mi57625 Eagle Butte · 30.9 mi

About ZIP 57656

ZIP code 57656 is assigned to Timber Lake, South Dakota. It crosses 2 counties; most of its land is in Dewey County. Its Census area covers about 389.44 square miles of land. The closest neighboring ZIP is 57661 (Whitehorse), about 12.5 miles away.

Every address in 57656 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