| Place | Post Code |
|---|---|
| Sapta, Darbhanga) | 847214 |
| Satghara, Darbhanga) | 847337 |
| Satlakha, Darbhanga) | 847238 |
| Saurath, Darbhanga) | 847213 |
| Semuara, Darbhanga) | 846002 |
| Serma, Darbhanga) | 847215 |
| Sirampur, Darbhanga) | 847238 |
| Sonaur, Darbhanga) | 847234 |
| Srichand, Darbhanga) | 847215 |
| Sundarpur Bhitthi, Darbhanga) | 847234 |
| Tala Lak Sayar, Darbhanga) | 847121 |
| Tarachandpur, Darbhanga) | 847234 |