There are 9 post offices under PIN code 606303.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alathur B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Eluthur B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Kilakalpoondi B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Korakkavadi B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Lakkur B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Thachur B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Toludur S.O | Sub Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Vaithiyanathapuram B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | Venganur B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |