| Locality | Post Code |
|---|---|
| Camp McCoy, Monroe | 54656 |
| Cashton, Monroe | 54619 |
| Cataract, Monroe | 54620 |
| Fort McCoy, Monroe | 54656 |
| Kendall, Monroe | 54638 |
| Norwalk, Monroe | 54648 |
| Oakdale, Monroe | 54649 |
| Sparta, Monroe | 54656 |
| Tomah, Monroe | 54660 |
| Tunnel City, Monroe | 54662 |
| Warrens, Monroe | 54666 |
| Wilton, Monroe | 54670 |
| Wyeville, Monroe | 54660 |