| Office Name | Dumariya B.O |
| Pincodes | 822114 |
| Area | Dumariya |
| Office Status | Branch Post Office |
| Postal Circle | Jharkhand |
| Postal Division | Palamau |
| Postal Region | Ranchi |
| District | Garhwa |
| State | Jharkhand |
| Telephone No. | Na |
| Office Name | Dumariya B.O |
| Pincodes | 277211 |
| Area | Dumariya |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Ballia |
| Postal Region | Gorakhpur |
| District | Ballia |
| State | Uttar Pradesh |
| Telephone No. | Na |