There are 12 post offices under PIN code 606104.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Chinnaparur B.O | Branch Office | Delivery | Vriddhachalam | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Idaichittur B.O | Branch Office | Delivery | Vriddhachalam | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Karnatham B.O | Branch Office | Delivery | Vriddhachalam | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Ko Pavalangudi B.O | Branch Office | Delivery | Vriddhachalam | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Konankuppam B.O | Branch Office | Delivery | Virudhachalam | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Mangalam (SA) S.O | Sub Office | Delivery | Ulundurpettai | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Mathur B.O | Branch Office | Delivery | Vriddhachalam | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Mukhasaparur B.O | Branch Office | Delivery | Ulundurpettai | Villupuram | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | Palayapattinam B.O | Branch Office | Delivery | Vriddhachalam | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 10 | Pali B.O | Branch Office | Delivery | Vriddhachalam | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 11 | Puvanur B.O | Branch Office | Delivery | Vriddhachalam | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 12 | Vijayamanagaram B.O | Branch Office | Delivery | Vriddhachalam | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |