| Post office | Nainpura B.O |
| Pin code | 841241 |
| Office type | B.O |
| Taluk / city | Siwan |
| District name | Siwan |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Siwan |
| Region name | Muzaffarpur |
| Circle name | Bihar |
| Related sub office | Pachrukhi S.O |
| Related head office | Siwan H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 841241 | Badram B.O | Siwan | Siwan | Bihar |
| 841241 | Champ B.O | Siwan | Siwan | Bihar |
| 841241 | Gambhria B.O | Siwan | Siwan | Bihar |
| 841241 | Itwa Bartwalia B.O | Siwan | Siwan | Bihar |
| 841241 | Jasauli B.O | Siwan | Siwan | Bihar |
| 841241 | Nainpura B.O | Siwan | Siwan | Bihar |
| 841241 | Pachrukhi S.O | Siwan | Siwan | Bihar |
| 841241 | Sarauti B.O | Siwan | Siwan | Bihar |
| 841241 | Sonbarsa B.O | Siwan | Siwan | Bihar |