Sunsari District
| Location / Post Office | Postal Code |
|---|---|
| Sunsari D.P.O. | 56700 |
| Mangalbare | 56702 |
| Chatara | 56703 |
| Bakalauri | 56704 |
| Itahari | 56705 |
| Simariya | 56706 |
| Duhabi | 56707 |
| Chimadi | 56708 |
| Jhumka | 56709 |
| Inarauwa | 56710 |
| Aurabari | 56711 |
| Dewangunj | 56712 |
| Madhuban | 56713 |
| Laukahee | 56714 |
| Bhutaha | 56715 |
| Mahendra Nagar | 56716 |
| Chhitaha | 56717 |
