| Post Office | Princeton |
| Division | Mercer |
| Pincode | 24740 |
| Post Office | Bluefield |
| Division | Mercer |
| Pincode | 24701 |
| Post Office | Rock |
| Division | Mercer |
| Pincode | 24747 |
| Post Office | Athens |
| Division | Mercer |
| Pincode | 24712 |
| Post Office | Lerona |
| Division | Mercer |
| Pincode | 25971 |
| Post Office | Flat Top |
| Division | Mercer |
| Pincode | 25841 |