| Locality | Post Code |
|---|---|
| Anahuac, Chambers | 77514 |
| Baytown, Chambers | 77523 |
| Beach City, Chambers | 77523 |
| Cove, Chambers | 77523 |
| Figridge, Chambers | 77661 |
| Hankamer, Chambers | 77560 |
| Haukanier, Chambers | 77560 |
| Monroe City, Chambers | 77514 |
| Mont Belvieu, Chambers | 77523 |
| Old River-Winfree, Chambers | 77523 |
| Stowell, Chambers | 77661 |
| Wallisville, Chambers | 77597 |
| Winnie, Chambers | 77665 |