ZIP Code 57571

Zip Code: 57571
Type: Standard
Official USPS city name: Saint Charles
Official USPS State Code: SD
Official State Name: South Dakota
ZCTA: TRUE
Population: 8.0
Density: 7.9
Primary Official County Code: 46053
Primary Official County Name: Gregory
Official County Name: Gregory
Official County Code: 46053
Imprecise: FALSE
Military: FALSE
Timezone: America/Chicago (04:09 AM Friday, September 25 2026-09-25 (GMT -0500))
Geo Point: 43.08528, -99.09257

Map