Post Office Usari S.o Pin Code In Arwal State Bihar District Gaya
| Post Office | Usari S.o |
| Division | Gaya |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Arwal |
| District | Gaya |
| State | Bihar |
| Phone | 06337-111111 |
| Sub Office | NA |
| Head Office | Jehanabad H.O |
| Pincode | 804428 |
usari s.o branch pincode is 804428
usari s.o branch phone number is 06337-111111
usari s.o branch Head Office is Jehanabad H.O