ZIP Code 57420
Akaska · Walworth, South Dakota
57420 is the ZIP code of Akaska in Walworth, South Dakota, United States.
- ZIP Code
- 57420
- County
- Walworth
- State
- South Dakota
- Country
- United States
Place with ZIP code 57420
| Place | County | Location |
|---|---|---|
| Akaska | Walworth | 45.332, -100.119 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 57420?
Akaska.
Which county and state is 57420 in?
Walworth, 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.