United States
57439 post code
Post code details
1 placeCode
Place
Ferney
Region
South Dakota
County
Brown
Coordinates
45.329, -98.0837
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
45.329, -98.0837© OpenStreetMap
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Ferney | South Dakota | Brown | 45.329, -98.0837 |
Same code in other countries
3FAQ
Which city is 57439 in?
Ferney, South Dakota, United States.
What are the coordinates of 57439?
45.329, -98.0837
Is 57439 used in other countries?
Yes, 3 other countries.
The data is unofficial and has known truncation; verify with the recipient and carrier for critical shipments. See data source & license → · Updated 2026-11-09. Attribution in