There are 12 post offices under PIN code 604204.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Eyyakunam B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Eyyal B.O | Branch Office | Delivery | Tindvanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Manandal B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Melmalayanur S.O | Sub Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Melsevalambadi B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 6 | Periyanolambai B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 7 | Sathambadi B.O | Branch Office | Delivery | Gingee | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 8 | Siruthalaipoondi B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 9 | Thayanur B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 10 | Theppirampattu B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 11 | Thorapadi B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 12 | Vadapalai B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |