| Office Name | Narhan S.O |
| Pincodes | 848211 |
| Area | Narhan |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Samastipur |
| Postal Region | Muzaffarpur |
| District | Samastipur |
| State | Bihar |
| Telephone No. | 06278-111111 |
| Office Name | Narhan B.O |
| Pincodes | 841504 |
| Area | Narhan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Narhan B.O |
| Pincodes | 222142 |
| Area | Narhan |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Jaunpur |
| Postal Region | Allahabad |
| District | Jaunpur |
| State | Uttar Pradesh |
| Telephone No. | Na |