| Post Office | Lexington |
| Division | Lexington |
| Pincode | 29072 |
| Post Office | Lexington |
| Division | Lexington |
| Pincode | 29073 |
| Post Office | Columbia |
| Division | Lexington |
| Pincode | 29212 |
| Post Office | Chapin |
| Division | Lexington |
| Pincode | 29036 |
| Post Office | West Columbia |
| Division | Lexington |
| Pincode | 29169 |
| Post Office | West Columbia |
| Division | Lexington |
| Pincode | 29170 |