| Office Name | Belaganj B.O |
| Pincodes | 854317 |
| Area | Belaganj |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Purnia |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Belaganj S.O |
| Pincodes | 804403 |
| Area | Belaganj |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Gaya |
| Postal Region | Patna Hq |
| District | Gaya |
| State | Bihar |
| Telephone No. | 0631-2461421 |