PinCode: 854315, Bishanpur Post Office, Baisi, Purnia, Bihar
| Post Office | Bishanpur |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 854315
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| Telephone | |
| Town/Taluk | Baisi |
| District | Purnia |
| State | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| Postal Circle | Bihar |
List of Other Post Offices in Baisi, Purnia, Bihar