There are 8 post offices under PIN code 605601.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ayyur Agaram B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Chinthamani B.O | Branch Office | Delivery | Viluppuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Kappiyampuliyur B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Mundiyambakkam S.O | Sub Office | Delivery | Viluppuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Orathur B.O | Branch Office | Delivery | Viluppuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 6 | Panayapuram B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 7 | T.Mettupalayam B.O | Branch Office | Delivery | Viluppuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 8 | Thoravi B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |