| Post Office | Gannavaram Centre B.o |
| Division | Vijayawada |
| Region | Vijayawada |
| Circle | Andhra Pradesh |
| Taluka | Gannavaram |
| District | Krishna |
| State | Andhra Pradesh |
| Phone | NA |
| Sub Office | Gannavaram S.O |
| Head Office | Vijayawada H.O |
| Pincode |
521101
|
| Post Office | Roynagar B.o |
| Division | Vijayawada |
| Region | Vijayawada |
| Circle | Andhra Pradesh |
| Taluka | Gannavaram |
| District | Krishna |
| State | Andhra Pradesh |
| Phone | NA |
| Sub Office | Gannavaram S.O |
| Head Office | Vijayawada H.O |
| Pincode |
521101
|