| Pin Code: | 841504 |
| Office Type: | Branch Office (B. O.) |
| District: | Siwan |
| State: | Bihar |
| Division: | Siwan |
| Region: | Muzaffarpur |
| Circle: | Bihar |
| Taluk : | Siwan |
The postal index number of Harnathpur is 841504 which is situated in Siwan district of Bihar in India having region Muzaffarpur and division Siwan.
Localities sharing Postal Code of Harnathpur: -
Last Modified on: 19 September 2023