Taluka Gamahria Post Office List In Bihar Supaul District
| Post Office | Gamaharia S.o |
| Division | Saharsa |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Gamahria |
| District | Supaul |
| State | Bihar |
| Phone | 06476-281026 |
| Sub Office | NA |
| Head Office | Saharsa H.O |
| Pincode |
852108
|