| Pin Code: | 847236 |
| Office Type: | Branch Office (B. O.) |
| District: | Madhubani |
| State: | Bihar |
| Division: | Madhubani |
| Region: | Muzaffarpur |
| Circle: | Bihar |
| Taluk : | Madhubani |
The postal index number of Koilakh is 847236 which is situated in Madhubani district of Bihar in India having region Muzaffarpur and division Madhubani.
Localities sharing Postal Code of Koilakh: -
Last Modified on: 19 September 2023