| Place | Post Code |
|---|---|
| Singhia, Purnia) | 855101 |
| Sukhani, Purnia) | 855108 |
| Tangtangia, Purnia) | 855101 |
| Tegharia, Purnia) | 855107 |
| Tharkachhpur, Purnia) | 855107 |
| Tulshia, Purnia) | 855101 |
| Postal Codes in Kishanganj | |
|---|---|
| Bahadurganj | |
| Dighalbank | |
| Kishanganj | |
| Kochadhamin | |
| Pothia | |
| Terhagachh | |
| Thakurganj | |