| Locality | Post Code |
|---|---|
| Arbyrd, Dunklin | 63821 |
| Campbell, Dunklin | 63933 |
| Cardwell, Dunklin | 63829 |
| Caruth, Dunklin | 63857 |
| Clarkton, Dunklin | 63837 |
| Freeborn, Dunklin | 63837 |
| Gibson, Dunklin | 63847 |
| Gobler, Dunklin | 63849 |
| Holcomb, Dunklin | 63852 |
| Hornersville, Dunklin | 63855 |
| Kennett, Dunklin | 63857 |
| Malden, Dunklin | 63863 |
| Rives, Dunklin | 63875 |
| Senath, Dunklin | 63876 |
| Whiteoak, Dunklin | 63880 |