| Locality | Post Code |
|---|---|
| Breslau, Lavaca | 77964 |
| Dreyer, Lavaca | 77984 |
| Ezzell, Lavaca | 77964 |
| Fordtran, Lavaca | 77995 |
| Glaze, Lavaca | 77984 |
| Hallettsville, Lavaca | 77964 |
| Henkhaus, Lavaca | 77984 |
| Hope, Lavaca | 77995 |
| Kinkler, Lavaca | 77964 |
| Koerth, Lavaca | 77964 |
| Moulton, Lavaca | 77975 |
| Mount Olive, Lavaca | 77984 |
| Novohrad, Lavaca | 77975 |
| Old Moulton, Lavaca | 77975 |
| Pearl, Lavaca | 77995 |
| Petersville, Lavaca | 77995 |
| Rabbs, Lavaca | 77964 |
| Shiner, Lavaca | 77984 |
| Speaks, Lavaca | 77964 |
| Sublime, Lavaca | 77986 |
| Sweet Home, Lavaca | 77987 |
| Terryville, Lavaca | 77995 |
| Vienna, Lavaca | 77964 |
| Wied, Lavaca | 77964 |
| Witting, Lavaca | 77975 |
| Worthing, Lavaca | 77964 |