| Office Name | Harnaut S.O |
| Pincodes | 803110 |
| Area | Harnaut |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Nalanda |
| Postal Region | Patna Hq |
| District | Nalanda |
| State | Bihar |
| Telephone No. | 06112-276221 |
| Office Name | Harnaut B.O |
| Pincodes | 202133 |
| Area | Harnaut |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Aligarh |
| Postal Region | Agra |
| District | Aligarh |
| State | Uttar Pradesh |
| Telephone No. | Na |