| Post office | Khanjahachak B.O |
| Pin code | 844121 |
| Office type | B.O |
| Taluk / city | Lalganj |
| District name | Vaishali |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Vaishali |
| Region name | Patna HQ |
| Circle name | Bihar |
| Related sub office | Lalganj (Vaishali) S.O |
| Related head office | Hajipur H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 844121 | Jaintipur B.O | Lalganj | Vaishali | Bihar |
| 844121 | Jalalpur B.O | Lalganj | Vaishali | Bihar |
| 844121 | Khanjahachak B.O | Lalganj | Vaishali | Bihar |
| 844121 | Lalganj (Vaishali) S.O | Lalganj | Vaishali | Bihar |
| 844121 | Manikpur Pakri B.O | Lalganj | Vaishali | Bihar |
| 844121 | Purkhauli B.O | Lalganj | Vaishali | Bihar |
| 844121 | Sahdullahpur B.O | Lalganj | Vaishali | Bihar |