| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Aurahi, Kosi) | 852108 |
| Postal/ZIP Codes in Chikni, Kosi) | 852124 |
| Postal/ZIP Codes in Daha, Kosi) | 852131 |
| Postal/ZIP Codes in Gamaharia, Kosi) | 852108 |
| Postal/ZIP Codes in Jagbani, Kosi) | 852128 |
| Postal/ZIP Codes in Jalwara, Kosi) | 852128 |
| Postal/ZIP Codes in Jiwachpur, Kosi) | 852124 |
| Postal/ZIP Codes in Kaurihar, Kosi) | 852108 |
| Postal/ZIP Codes in Parwaha, Kosi) | 852108 |
| Postal/ZIP Codes in Piprahi, Kosi) | 852128 |
| Postal/ZIP Codes in Rajpur, Kosi) | 852218 |
| Postal/ZIP Codes in Rupauli Lalpatti, Kosi) | 852128 |
| Postal/ZIP Codes in Tarawe, Kosi) | 852108 |