| Office Name | Osmanchak B.O |
| Pincodes | 804452 |
| Area | Osmanchak |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Patna |
| Postal Region | Patna Hq |
| District | Patna |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Osmanchak B.O |
| Pincodes | 721631 |
| Area | Osmanchak |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Tamluk |
| Postal Region | South Bengal |
| District | East Midnapore |
| State | West Bengal |
| Telephone No. | Na |