There are 3 post offices under PIN code 600073.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Gowriwakkam S.O | Sub Office | Non-Delivery | Na | Kanchipuram | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Rajakilpakkam B.O | Branch Office | Non-Delivery | Tambaram | Kanchipuram | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Selaiyur S.O | Sub Office | Delivery | Na | Kanchipuram | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |