There are 6 post offices under PIN code 605111.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Hemerjickx Cente B.O | Branch Office | Delivery | Vanur | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Irumbai B.O | Branch Office | Non-Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Poothurai B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Rayapudupakkam B.O | Branch Office | Delivery | Villupuram | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Sedarapet B.O | Branch Office | Non-Delivery | Pondicherry | Pondicherry | Pondicherry | Chennai Region | Pondicherry | Tamilnadu |
| 6 | Tiruchitambalam S.O | Sub Office | Delivery | Vanur | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |