| Office Name | Tiruvannamalai H.O |
| Pincodes | 606601 |
| Area | Tiruvannamalai |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tiruvannamalai |
| Postal Region | Chennai Region |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Telephone No. | 04175-253041 |