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ZIP Code 57633 – Isabel, SD

Isabel, South Dakota · Corson County · Mountain time

ZIP code57633
CityIsabel
StateSouth Dakota
CountyCorson CountyZiebach CountyDewey County
Area code605
Population445
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area812.64 sq mi
Center (lat, long)45.4416, -101.5324

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Nearby ZIP codes

57656 Timber Lake · 20.6 mi57660 Watauga · 26.9 mi57644 Meadow · 27.3 mi57634 Keldron · 28 mi57636 Lantry · 28.6 mi57623 Dupree · 29.9 mi57621 Bullhead · 31.6 mi57641 Mc Intosh · 33.1 mi

About ZIP 57633

ZIP code 57633 is assigned to Isabel, South Dakota. It crosses 3 counties; most of its land is in Corson County. Its Census area covers about 812.64 square miles of land. The closest neighboring ZIP is 57656 (Timber Lake), about 20.6 miles away.

Every address in 57633 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