| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Sahoria, Kosi) | 852126 |
| Postal/ZIP Codes in Sahsaili Thuthi, Kosi) | 852126 |
| Postal/ZIP Codes in Sahuria, Kosi) | 852126 |
| Postal/ZIP Codes in Salkhua Bazar, Kosi) | 852126 |
| Postal/ZIP Codes in Samhar Kalan, Kosi) | 852126 |
| Postal/ZIP Codes in Samhar Khurd, Kosi) | 852126 |
| Postal/ZIP Codes in Sauthi, Kosi) | 852127 |
| Postal/ZIP Codes in Seoti, Kosi) | 852106 |
| Postal/ZIP Codes in Shahganwan, Kosi) | 852127 |
| Postal/ZIP Codes in Situahi, Kosi) | 852127 |
| Postal/ZIP Codes in Tajpur, Kosi) | 852129 |
| Postal/ZIP Codes in Uteshra, Kosi) | 852126 |