There are 3 post offices under PIN code 600011.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Perambur North S.O | Sub Office | Non-Delivery | Perambur Purasawalkam | Chennai | Chennai City North | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Perambur S.O | Sub Office | Delivery | Perambur Purasawalkam | Chennai | Chennai City North | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Sembiam S.O | Sub Office | Non-Delivery | Perambur Purasawalkam | Chennai | Chennai City North | Chennai Region | Tamil Nadu | Tamilnadu |