| Locality | Post Code |
|---|---|
| Quintana, Brazoria | 77541 |
| Richwood, Brazoria | 77515, 77531, 77566 |
| Rosharon, Brazoria | 77583 |
| Sandy Point, Brazoria | 77583 |
| Sugar Valley, Brazoria | 77480 |
| Surfside Beach, Brazoria | 77541 |
| Sweeny, Brazoria | 77480 |
| West Columbia, Brazoria | 77486 |
| Wild Peach Village, Brazoria | 77422 |