| Postal Service | Crockett |
| Division | Houston |
| Post code | 75835 |
| Postal Service | Grapeland |
| Division | Houston |
| Post code | 75844 |
| Postal Service | Lovelady |
| Division | Houston |
| Post code | 75851 |
| Postal Service | Kennard |
| Division | Houston |
| Post code | 75847 |
| Postal Service | Pennington |
| Division | Houston |
| Post code | 75856 |
| Postal Service | Latexo |
| Division | Houston |
| Post code | 75849 |
| Postal Service | Ratcliff |
| Division | Houston |
| Post code | 75858 |