| Place | Post Code |
|---|---|
| Shikarpur Chapra, Saran) | 841101 |
| Shivgulam Nagar, Saran) | 841217 |
| Sighinpur, Saran) | 841217 |
| Sikarpur, Saran) | 841101 |
| Sikatiya, Saran) | 841101 |
| Siktia, Saran) | 841101 |
| Sitabganj, Saran) | 841101 |
| Slakh Tola, Saran) | 841217 |
| Sobhepur, Saran) | 841217 |
| Sonepur, Saran) | 841101 |
| Sultanpur, Saran) | 841101 |
| Uttampur, Saran) | 841217 |
| Utttam Nagar, Saran) | 841217 |