| Office Name | Thenmahadevamangalam B.O |
| Pincodes | 606908 |
| Area | Thenmahadevamangalam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tiruvannamalai |
| Postal Region | Chennai Region |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Telephone No. | Na |