There are 6 post offices under PIN code 605109.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Katrambakkam B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Olundiapet B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Pulichapllam B.O | Branch Office | Delivery | Vanur | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Semangalam B.O | Branch Office | Delivery | Tindivanam | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | V.Parangani B.O | Branch Office | Delivery | Vanur | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |
| 6 | Vanur S.O | Sub Office | Delivery | Vanur | Villupuram | Pondicherry | Chennai Region | Tamil Nadu | Tamilnadu |