| Office Name | Nautan B.O |
| Pincodes | 841401 |
| Area | Nautan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Saran |
| Postal Region | Muzaffarpur |
| District | Saran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Nautan B.O |
| Pincodes | 841243 |
| Area | Nautan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |