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ZIP Code 57787 – Union Center, SD

Union Center, South Dakota · Meade County · Mountain time

ZIP code57787
CityUnion Center
StateSouth Dakota
CountyMeade County
Area code605
Population487
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area627.24 sq mi
Center (lat, long)44.6680, -102.6578

Map

Nearby ZIP codes

57737 Enning · 10.4 mi57792 White Owl · 15 mi57758 Mud Butte · 22.9 mi57788 Vale · 27.1 mi57791 Wasta · 30.7 mi57761 New Underwood · 31 mi57785 Sturgis · 31.9 mi57748 Howes · 32.3 mi

About ZIP 57787

ZIP code 57787 is assigned to Union Center, South Dakota. It lies in Meade County. Its Census area covers about 627.24 square miles of land. The closest neighboring ZIP is 57737 (Enning), about 10.4 miles away.

Every address in 57787 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