ZIP Code 57481 – Westport, South Dakota
The 57481 ZIP Code belongs to Westport, South Dakota. The population in this 57481 ZIP code is 361. The latitude is 45.65279 and longitude is -98.66821 in 57481 Westport, South Dakota. The time zone for this 57481 ZIP code is America/Chicago.
| City | Westport |
| Zip Code | 57481 |
| State | South Dakota |
| County | Brown |
| Population | 361 |
| Latitude | 45.65279 |
| Longitude | -98.66821 |
| Time Zone | America/Chicago |