4 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 57579 | White River | 1,473 |
| 57560 | Norris | 380 |
| 57521 | Belvidere | 245 |
| 57585 | Wood | 105 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Mellette County, South Dakota (US Census).