| Office Name | Harsinghpur B.O |
| Pincodes | 847103 |
| Area | Harsinghpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Darbhanga |
| Postal Region | Muzaffarpur |
| District | Darbhanga |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Harsinghpur B.O |
| Pincodes | 209622 |
| Area | Harsinghpur |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Fatehgarh |
| Postal Region | Kanpur |
| District | Farrukhabad |
| State | Uttar Pradesh |
| Telephone No. | Na |