There are 9 post offices under PIN code 604303.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alathur B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Anumandai B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Kandadu B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Kunimedu B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Mandava B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 6 | Markanum S.O | Sub Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 7 | Nadukuppam B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 8 | Pudupakkam B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 9 | Thalangadu B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |