| Post Office | Mamballi S.o |
| Division | Nanjangud |
| Region | South Karnataka |
| Circle | Karnataka |
| Taluka | Yelandur |
| District | Chamrajnagar |
| State | Karnataka |
| Phone | 08224-252050 |
| Sub Office | NA |
| Head Office | Kollegal H.O |
| Pincode | 571442 |
mamballi s.o branch pincode is 571442
mamballi s.o branch phone number is 08224-252050
mamballi s.o branch Head Office is Kollegal H.O