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ZIP Code 57630 – Glencross, SD

Glencross, South Dakota · Dewey County · Mountain time

ZIP code57630
CityGlencross
StateSouth Dakota
CountyDewey County
Area code605
Population11
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area109.98 sq mi
Center (lat, long)45.3338, -100.8440

Map

Nearby ZIP codes

57661 Whitehorse · 8 mi57657 Trail City · 13 mi57656 Timber Lake · 14.2 mi57652 Ridgeview · 15.7 mi57601 Mobridge · 23.3 mi57639 Little Eagle · 23.9 mi57625 Eagle Butte · 26 mi57658 Wakpala · 26.9 mi

About ZIP 57630

ZIP code 57630 is assigned to Glencross, South Dakota. It lies in Dewey County. Its Census area covers about 109.98 square miles of land. The closest neighboring ZIP is 57661 (Whitehorse), about 8 miles away.

Every address in 57630 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