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ZIP Code 57620 – Bison, SD

Bison, South Dakota · Perkins County · Mountain time

ZIP code57620
CityBison
StateSouth Dakota
CountyPerkins County
Area code605
Population564
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area348.17 sq mi
Center (lat, long)45.3773, -102.5402

Map

Nearby ZIP codes

57649 Prairie City · 16.8 mi57644 Meadow · 22.7 mi57651 Reva · 24.9 mi57758 Mud Butte · 28.1 mi57640 Lodgepole · 28.2 mi57626 Faith · 31.7 mi57638 Lemmon · 37.1 mi57650 Ralph · 39.4 mi

About ZIP 57620

ZIP code 57620 is assigned to Bison, South Dakota. It lies in Perkins County. Its Census area covers about 348.17 square miles of land. The closest neighboring ZIP is 57649 (Prairie City), about 16.8 miles away.

Every address in 57620 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