There are 7 post offices under PIN code 602025.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Aranvoyal B.O | Branch Office | Delivery | Tiruvallur | Tiruvallur | Kanchipuram | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Kalambakkam B.O | Branch Office | Delivery | Thiruvallur | Tiruvallur | Kanchipuram | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Koppur B.O | Branch Office | Delivery | Tiruvallur | Tiruvallur | Kanchipuram | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Papparambakkam B.O | Branch Office | Delivery | Tiruvallur | Tiruvallur | Kanchipuram | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Putlur B.O | Branch Office | Delivery | Tiruvallur | Tiruvallur | Kanchipuram | Chennai Region | Tamil Nadu | Tamilnadu |
| 6 | Thozhur B.O | Branch Office | Delivery | Tiruvallur | Tiruvallur | Kanchipuram | Chennai Region | Tamil Nadu | Tamilnadu |
| 7 | Tirur Cpt S.O | Sub Office | Delivery | Tiruvallur | Tiruvallur | Kanchipuram | Chennai Region | Tamil Nadu | Tamilnadu |