ZIP Code 57761
New Underwood · Pennington, South Dakota
57761 is the ZIP code of New Underwood in Pennington, South Dakota, United States.
- ZIP Code
- 57761
- County
- Pennington
- State
- South Dakota
- Country
- United States
Place with ZIP code 57761
| Place | County | Location |
|---|---|---|
| New Underwood | Pennington | 44.087, -102.814 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 57761?
New Underwood.
Which county and state is 57761 in?
Pennington, 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.