| Place | Postal Code |
|---|---|
| Bani, Kosi) | 852132 |
| Basantpur, Kosi) | 852128 |
| Behrari, Kosi) | 852128 |
| Chouraha, Kosi) | 852132 |
| Gidha, Kosi) | 852128 |
| Jharkaha, Kosi) | 852132 |
| Jirwa, Kosi) | 852132 |
| Kamargaon, Kosi) | 852132 |
| Maura, Kosi) | 852132 |
| Raibhir, Kosi) | 852128 |
| Shankarpur, Kosi) | 852132 |
| Postal Codes in Madhepura | |
|---|---|
| Alamnagar | |
| Bihariganj | |
| Chausa | |
| Gamharia | |
| Ghailarh | |
| Gwalpara | |
| Kishanganj | |
| Kumarkhand | |
| Madhepura | |
| Murliganj | |
| Puraini | |
| Shankarpur | |
| Singheshwar | |