| Office Name | Kopawan B.O |
| Pincodes | 802126 |
| Area | Kopawan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhojpur |
| Postal Region | Patna Hq |
| District | Buxar |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Kopawan B.O |
| Pincodes | 221701 |
| Area | Kopawan |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Ballia |
| Postal Region | Gorakhpur |
| District | Ballia |
| State | Uttar Pradesh |
| Telephone No. | Na |