There are 5 post offices under PIN code 600019.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kaladipet S.O | Sub Office | Non-Delivery | Ambattur | Tiruvallur | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Shanmugapuram S.O | Sub Office | Non-Delivery | Ambattur | Tiruvallur | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Tiruvottiyur S.O | Sub Office | Delivery | Ambattur | Tiruvallur | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Tiruvottiyur West S.O | Sub Office | Non-Delivery | Na | Tiruvallur | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Tondiarpet Rly Colony B.O | Branch Office | Non-Delivery | Ambattur | Tiruvallur | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |