| Post office | Dilli Diwanganj B.O |
| Pin code | 854117 |
| Office type | B.O |
| Taluk / city | Katihar |
| District name | Katihar |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Purnea |
| Region name | Muzaffarpur |
| Circle name | Bihar |
| Related sub office | Rosna S.O |
| Related head office | Katihar H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 854117 | Dilli Diwanganj B.O | Katihar | Katihar | Bihar |
| 854117 | Neema B.O | Katihar | Katihar | Bihar |
| 854117 | Rosna S.O | Katihar | Katihar | Bihar |