| Locality | Post Code |
|---|---|
| Buffalo, Union | 29321 |
| Carlisle, Union | 29031 |
| Enoree, Union | 29335 |
| Jonesville, Union | 29353 |
| Leeds, Union | 29031 |
| Lockhart, Union | 29364 |
| Pacolet, Union | 29372 |
| Pauline, Union | 29374 |
| Tuckertown, Union | 29031 |
| Union, Union | 29379 |
| Whitmire, Union | 29178 |