| Office Name | Perumbalai B.O |
| Pincodes | 604401 |
| Area | Perumbalai |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tiruvannamalai |
| Postal Region | Chennai Region |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Perumbalai S.O |
| Pincodes | 636811 |
| Area | Perumbalai |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Dharmapuri |
| Postal Region | Coimbatore |
| District | Dharmapuri |
| State | Tamil Nadu |
| Telephone No. | 04342-251453 |