Westport ZIP code, South Dakota
The ZIP code for Westport, SD is 57481, and its area code is 605.
- USPS city name
- 1 ZIP code
- Population
- 93
- Area code
- 605
- County
- Brown County
- State
- South Dakota
NANPA lists no telephone rate centre for Westport itself, so these are the area codes of the nearest one, Frederick (14.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Westport
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57481 | Westport , SD | Standard | 271 | $68,125 | $215,600 |
Map of Westport ZIP codes
The ZIP codes of Westport, SD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Westport
The nearest larger towns are Columbia (161 people, 9.3 mi), Prairiewood Village (474 people, 10 mi) and Frederick (160 people, 13 mi).
| Town | Population | Distance |
|---|---|---|
| Aberdeen | 28,189 | 12.7 mi |
More nearby: every ZIP code in Brown County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Westport, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/westport
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