ZIP Code 57481
Westport · Brown, South Dakota
57481 is the ZIP code of Westport in Brown, South Dakota, United States.
- ZIP Code
- 57481
- County
- Brown
- State
- South Dakota
- Country
- United States
Place with ZIP code 57481
| Place | County | Location |
|---|---|---|
| Westport | Brown | 45.670, -98.580 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 57481?
Westport.
Which county and state is 57481 in?
Brown, South Dakota, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.