There are 9 post offices under PIN code 605402.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Adanur B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Ariyalur Tirukkai B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Kakkanur B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Kedar S.O | Sub Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Palliandur B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 6 | Siruvalai B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 7 | Thiruvamathr B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 8 | Vengandur B.O | Branch Office | Delivery | Villupurm | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 9 | Viramur B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |