| Office Name | Marudadu S.O |
| Pincodes | 604405 |
| Area | Marudadu |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tiruvannamalai |
| Postal Region | Chennai Region |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Marudadu B.O |
| Pincodes | 607109 |
| Area | Marudadu |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Cuddalore |
| Postal Region | Tiruchy |
| District | Cuddalore |
| State | Tamil Nadu |
| Telephone No. | Na |