ZIP Code 57445
Groton · Brown, South Dakota
57445 is the ZIP code of Groton in Brown, South Dakota, United States.
- ZIP Code
- 57445
- County
- Brown
- State
- South Dakota
- Country
- United States
Place with ZIP code 57445
| Place | County | Location |
|---|---|---|
| Groton | Brown | 45.450, -98.106 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 57445?
Groton.
Which county and state is 57445 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.