| Office Name | Billi Markundi B.O |
| Pincodes | 231219 |
| Area | Billi Markundi |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Mirzapur |
| Postal Region | Allahabad |
| District | Sonbhadra |
| State | Uttar Pradesh |
| Telephone No. | Na |
| Office Name | Obra S.O Sonbhadra |
| Pincodes | 231219 |
| Area | Obra Sonbhadra |
| Office Status | Sub Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Mirzapur |
| Postal Region | Allahabad |
| District | Sonbhadra |
| State | Uttar Pradesh |
| Telephone No. | 05445-262231 |
| Office Name | Obra Thermal S.O |
| Pincodes | 231219 |
| Area | Obra Thermal |
| Office Status | Sub Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Mirzapur |
| Postal Region | Allahabad |
| District | Sonbhadra |
| State | Uttar Pradesh |
| Telephone No. | 05445-268282 |
| Office Name | Panari B.O |
| Pincodes | 231219 |
| Area | Panari |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Mirzapur |
| Postal Region | Allahabad |
| District | Sonbhadra |
| State | Uttar Pradesh |
| Telephone No. | Na |
| Office Name | Parsoi B.O |
| Pincodes | 231219 |
| Area | Parsoi |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Mirzapur |
| Postal Region | Allahabad |
| District | Sonbhadra |
| State | Uttar Pradesh |
| Telephone No. | Na |