| Locality | Post Code |
|---|---|
| Arneckeville, DeWitt | 77954 |
| Cheapside, DeWitt | 77954 |
| Concrete, DeWitt | 77954 |
| Cuero, DeWitt | 77954 |
| Edgar, DeWitt | 77954 |
| Hochheim, DeWitt | 77967 |
| Lindenau, DeWitt | 77954 |
| Meyersville, DeWitt | 77974 |
| Nordheim, DeWitt | 78141 |
| Stratton, DeWitt | 77954 |
| Thomaston, DeWitt | 77989 |
| Westhoff, DeWitt | 77994 |
| Yorktown, DeWitt | 78164 |