| Locality | Post Code |
|---|---|
| Bullhead, Corson | 57621 |
| Keldron, Corson | 57634 |
| Kenel, Corson | 57642 |
| Little Eagle, Corson | 57639 |
| Maple Leaf, Corson | 57642 |
| McIntosh, Corson | 57641 |
| McLaughlin, Corson | 57642 |
| Morristown, Corson | 57645 |
| Standing Rock, Corson | 57658 |
| Trail City, Corson | 57657 |
| Wakpala, Corson | 57658 |
| Walker, Corson | 57659 |
| Watauga, Corson | 57660 |