| Office Name | Markan B.O |
| Pincodes | 843119 |
| Area | Markan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Muzaffarpur |
| Postal Region | Muzaffarpur |
| District | Muzaffarpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Markan B.O |
| Pincodes | 841226 |
| Area | Markan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |