| Locality | Post Code |
|---|---|
| Allen, Dixon | 68710 |
| Concord, Dixon | 68728 |
| Dixon, Dixon | 68732 |
| Emerson, Dixon | 68733 |
| Martinsburg, Dixon | 68710, 68770 |
| Maskell, Dixon | 68751 |
| Newcastle, Dixon | 68757 |
| Obert, Dixon | 68757 |
| Ponca, Dixon | 68770 |
| Wakefield, Dixon | 68784 |
| Waterbury, Dixon | 68785 |