There are 3 post offices under PIN code 603112.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kovalam S.O (Kanchipuram) | Sub Office | Delivery | Chinglepet | Kanchipuram | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Muttukadu B.O | Branch Office | Delivery | Chinglepet | Kanchipuram | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Thiruvidanthai B.O | Branch Office | Delivery | Chingelpet | Kanchipuram | Tambaram | Chennai Region | Tamil Nadu | Tamilnadu |