| Locality | Post Code |
|---|---|
| Arenzville, Cass | 62611 |
| Ashland, Cass | 62612 |
| Beardstown, Cass | 62618 |
| Bluff Springs, Cass | 62622 |
| Chandlerville, Cass | 62627 |
| Little Indian, Cass | 62691 |
| Newmansville, Cass | 62612 |
| Panther Creek, Cass | 62627 |
| Prentice, Cass | 62612 |
| Virginia, Cass | 62691 |
| Yatesville, Cass | 62612 |