This is the Willow Lake ZIP Code page. Willow Lake is a city name in Willow Lake, South Dakota, United States. The city name is designated by USPS, it could be a city, town,village school name, etc.
| post code | city | state | latitude | longitude |
|---|---|---|---|---|
| 20135 | Willow Lake | SD | 39.07566 | -77.94694 |