| Office Name | B.K.Asthan B.O |
| Pincodes | 846005 |
| Area | B.K.Asthan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Darbhanga |
| Postal Region | Muzaffarpur |
| District | Darbhanga |
| State | Bihar |
| Telephone No. | Na |
| Office Name | B.K.Asthan B.O |
| Pincodes | 854303 |
| Area | B.K.Asthan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Purnia |
| State | Bihar |
| Telephone No. | Na |