| Office Name | Elathur B.O |
| Pincodes | 606906 |
| Area | Elathur |
| 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 | Siruvallur B.O |
| Pincodes | 606906 |
| Area | Siruvallur |
| 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 | Vilvarani S.O |
| Pincodes | 606906 |
| Area | Vilvarani |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tiruvannamalai |
| Postal Region | Chennai Region |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Telephone No. | 04181-246231 |