| Place | Post Code |
|---|---|
| Sahorwa, Kosi) | 852216 |
| Samani, Kosi) | 852216 |
| Sapaita, Kosi) | 852216 |
| Sarauni, Kosi) | 852216 |
| Sarauni Khurd, Kosi) | 852216 |
| Semar, Kosi) | 852216 |
| Sirwar, Kosi) | 852216 |
| Sisauna, Kosi) | 852216 |
| Sonkurthua, Kosi) | 852216 |
| Supaul, Kosi) | 852216 |
| Teghra, Kosi) | 852216 |
| Telbadha, Kosi) | 852216 |
| Telhar, Kosi) | 852216 |
| Telwa, Kosi) | 852216 |
| Terhi, Kosi) | 852216 |
| Thanwar, Kosi) | 852216 |
| Postal Codes in Saharsa | |
|---|---|
| Banma Itahri | |
| Kahara | |
| Mahishi | |
| Nauhatta | |
| Patarghat | |
| Salkhua | |
| Satar Kataiya | |
| Saur Bazar | |
| Simri Bakhtiarpur | |
| Sonbarsa | |