| Post office | Karja S.O |
| Pin code | 843143 |
| Office type | S.O |
| Taluk / city | Marwan |
| District name | Muzaffarpur |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Muzaffarpur |
| Region name | Muzaffarpur |
| Circle name | Bihar |
| Related sub office | NA |
| Related head office | Muzaffarpur H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 843143 | Karja S.O | Marwan | Muzaffarpur | Bihar |