There are 10 post offices under PIN code 606402.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Arur B.O | Branch Office | Delivery | Sankarapuram | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Lakkinayakkanpatti B.O | Branch Office | Delivery | Sankarapuram | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Mookanur B.O | Branch Office | Delivery | Sankarapuram | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Pandalam S.O (Villupuram) | Sub Office | Delivery | Sankarapuram | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Pudupattu B.O | Branch Office | Delivery | Sankarapuram | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Puthirampattu B.O | Branch Office | Delivery | Sankarapuram | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Rangappanur B.O | Branch Office | Delivery | Sankarapuram | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Ravathanallur B.O | Branch Office | Delivery | Sankarapuram | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | S.Kolathur B.O | Branch Office | Delivery | Sankarapuram | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 10 | Viriyur B.O | Branch Office | Delivery | Sankarapuram | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |