| Locality | Post Code |
|---|---|
| Antelope, Sheridan | 59211 |
| Dagmar, Sheridan | 59219 |
| Homestead, Sheridan | 59242 |
| Medicine Lake, Sheridan | 59247 |
| Outlook, Sheridan | 59252 |
| Plentywood, Sheridan | 59254 |
| Raymond, Sheridan | 59256 |
| Redstone, Sheridan | 59257 |
| Reserve, Sheridan | 59258 |
| Westby, Sheridan | 59275 |