| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Semra Sirampur, Tirhut) | 845455 |
| Postal/ZIP Codes in Semri, Tirhut) | 845102 |
| Postal/ZIP Codes in Serahwa, Tirhut) | 845455 |
| Postal/ZIP Codes in Serhua, Tirhut) | 845455 |
| Postal/ZIP Codes in Shajahanpur, Tirhut) | 845455 |
| Postal/ZIP Codes in Sherpur, Tirhut) | 845455 |
| Postal/ZIP Codes in Sihpurwa, Tirhut) | 845455 |
| Postal/ZIP Codes in Sirsia, Tirhut) | 845455 |
| Postal/ZIP Codes in Sisai, Tirhut) | 845104, 845102 |
| Postal/ZIP Codes in Sithi, Tirhut) | 845455 |
| Postal/ZIP Codes in Sonbarsa, Tirhut) | 845455 |
| Postal/ZIP Codes in Sonkhar, Tirhut) | 845455 |
| Postal/ZIP Codes in Tahkaul, Tirhut) | 845455 |
| Postal/ZIP Codes in Tara, Tirhut) | 845455 |
| Postal/ZIP Codes in Tola Pararia, Tirhut) | 845451 |
| Postal/ZIP Codes in Turkaulia, Tirhut) | 845455 |