4 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 57579 | White River | 1,346 |
| 57560 | Norris | 497 |
| 57521 | Belvidere | 201 |
| 57585 | Wood | 110 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Mellette County, South Dakota (US Census).