| Post office | Dharhara B.O |
| Pin code | 841437 |
| Office type | B.O |
| Taluk / city | Gopalganj |
| District name | Gopalganj |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Siwan |
| Region name | Muzaffarpur |
| Circle name | Bihar |
| Related sub office | Kateya S.O |
| Related head office | Gopalganj H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 841437 | Pachdeori B.O | Gopalgan J | Gopalganj | Bihar |
| 841437 | Belhi Khas B.O | Gopalganj | Gopalganj | Bihar |
| 841437 | Bhagipatti Jhul B.O | Gopalganj | Gopalganj | Bihar |
| 841437 | Dharhara B.O | Gopalganj | Gopalganj | Bihar |
| 841437 | Gaura B.O | Gopalganj | Gopalganj | Bihar |
| 841437 | Jasauli B.O | Gopalganj | Gopalganj | Bihar |
| 841437 | Kateya S.O | Gopalganj | Gopalganj | Bihar |
| 841437 | Mahuwan B.O | Gopalganj | Gopalganj | Bihar |
| 841437 | Neori B.O | Gopalganj | Gopalganj | Bihar |
| 841437 | Rudrapur B.O | Gopalganj | Gopalganj | Bihar |
| 841437 | Sohnariya B.O | Gopalganj | Gopalganj | Bihar |