There are 4 post offices under PIN code 600016.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alandur(Reopened W.E.F.6.6.05) S.O | Sub Office | Non-Delivery | Saidapet | Kanchipuram | Chennai City South | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Chennai Airport S.O | Sub Office | Non-Delivery | Saidapet | Kanchipuram | Chennai City South | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Meenambakkam S.O | Sub Office | Non-Delivery | Sriperumbudur | Kanchipuram | Chennai City South | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | St.Thomas Mount H.O | Head Office | Delivery | Saidapet | Kanchipuram | Chennai City South | Chennai Region | Tamil Nadu | Tamilnadu |