There are 5 post offices under PIN code 600054.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Avadi Camp H.O | Head Office | Delivery | Ambattur | Tiruvallur | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Avadi S.O | Sub Office | Non-Delivery | Ambattur | Tiruvallur | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Cvrde S.O | Sub Office | Non-Delivery | Ambattur | Tiruvallur | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Gandhinagar B.O | Branch Office | Non-Delivery | Ambattur | Tiruvallur | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Tank Factory Avadi S.O | Sub Office | Non-Delivery | Ambattur | Tiruvallur | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |