| Office Name | Jankinagar B.O |
| Pincodes | 854102 |
| Area | Jankinagar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Purnia |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jankinagar B.O |
| Pincodes | 811211 |
| Area | Jankinagar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Monghyr |
| Postal Region | Patna Hq |
| District | Munger |
| State | Bihar |
| Telephone No. | Na |