There are 11 post offices under PIN code 603107.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Anambakkam B.O | Branch Office | Delivery | Uthiramerur | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Chithanakkavur B.O | Branch Office | Delivery | Uthiramerur | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Edayambudur B.O | Branch Office | Delivery | Tirukalikundram | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Kilakadi B.O | Branch Office | Delivery | Chengalpattu | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Kunnavakkam B.O | Branch Office | Delivery | Uthiramerur | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |
| 6 | Nelvoy B.O | Branch Office | Delivery | Maduranthakam | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |
| 7 | Olaiyur B.O | Branch Office | Delivery | Uthiramerur | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |
| 8 | Palliagaram B.O | Branch Office | Delivery | Na | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |
| 9 | Porpandal B.O | Branch Office | Delivery | Uttiramerur | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |
| 10 | Salavakkam S.O | Sub Office | Delivery | Utiramerur | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |
| 11 | Valathodu B.O | Branch Office | Delivery | Uttiramerur | Kanchipuram | Chengalpattu | Chennai Region | Tamil Nadu | Tamilnadu |