| 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 |
=$city?> poonamallee s.o branch pincode is 600056
poonamallee s.o branch phone number is 044-26272492
poonamallee s.o branch Head Office is Avadi Camp H.O