| Locality | Post Code |
|---|---|
| Aurora, Brookings | 57002 |
| Brookings, Brookings | 57006, 57007 |
| Bruce, Brookings | 57220 |
| Bushnell, Brookings | 57276 |
| Elkton, Brookings | 57026 |
| Lake Campbell, Brookings | 57006 |
| Lake Sinai, Brookings | 57061 |
| Oakwood Lake, Brookings | 57220 |
| Roland Colony, Brookings | 57276 |
| Sinai, Brookings | 57061 |
| Volga, Brookings | 57071 |
| Ward, Brookings | 57026 |
| White, Brookings | 57276 |