| Office Name | Dubha B.O |
| Pincodes | 854311 |
| Area | Dubha |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Araria |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Dubha B.O |
| Pincodes | 475220 |
| Area | Dubha |
| Office Status | Branch Post Office |
| Postal Circle | Madhya Pradesh |
| Postal Division | Gwalior |
| Postal Region | Gwalior |
| District | Gwalior |
| State | Madhya Pradesh |
| Telephone No. | Na |