| Post Office | Maduravoyal S.o |
| Division | Tambaram |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Poonamalee |
| District | Tiruvallur |
| State | Tamil Nadu |
| Phone | 044-23781509 |
| Sub Office | NA |
| Head Office | Avadi Camp H.O |
| Pincode |
600095
|
| Post Office | Poonamallee S.o |
| Division | Tambaram |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Poonamalee |
| District | Tiruvallur |
| State | Tamil Nadu |
| Phone | 044-26272492 |
| Sub Office | NA |
| Head Office | Avadi Camp H.O |
| Pincode |
600056
|