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ZIP Code 57750 – Interior, SD

Interior, South Dakota · Jackson County · Mountain time

ZIP code57750
CityInterior
StateSouth Dakota
CountyJackson CountyPennington County
Area code605
Population365
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area325.24 sq mi
Center (lat, long)43.5929, -101.9451

Map

Nearby ZIP codes

57577 Wanblee · 15.2 mi57752 Kyle · 17.1 mi57714 Allen · 18.3 mi57543 Kadoka · 23.7 mi57547 Long Valley · 27 mi57780 Scenic · 29.3 mi57551 Martin · 30.1 mi57775 Quinn · 34.6 mi

About ZIP 57750

ZIP code 57750 is assigned to Interior, South Dakota. It crosses 2 counties; most of its land is in Jackson County. Its Census area covers about 325.24 square miles of land. The closest neighboring ZIP is 57577 (Wanblee), about 15.2 miles away.

Every address in 57750 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