| Office Name | Doiya B.O |
| Pincodes | 803118 |
| Area | Doiya |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Nalanda |
| Postal Region | Patna Hq |
| District | Nalanda |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Doiya B.O |
| Pincodes | 821112 |
| Area | Doiya |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Rohtas |
| Postal Region | Patna Hq |
| District | Rohtas |
| State | Bihar |
| Telephone No. | Na |