ZIP code · Mission · South Dakota · United States
ZIP code 57555 — Mission
ZIP code 57555 serves Mission, South Dakota.
- Postal code
- 57555Single source Value from one source, not cross-checked.
- City
- Mission
- County
- Todd
- State
- South Dakota
- Country
- United States
- Coordinates
- 43.2850, -100.5954 — precision precise (locality)
View on OpenStreetMap - Population
- 3,530 (ZCTA, ACS 5-year)
- Median household income
- $38,772
- Median age
- 27.3
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 605Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Nearby localities
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page