| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Rudauli, Tirhut) | 843333 |
| Postal/ZIP Codes in Runnisaidpur, Tirhut) | 843328, 843311, 843323 |
| Postal/ZIP Codes in Sharifpur, Tirhut) | 843326, 843333 |
| Postal/ZIP Codes in Sirsi, Tirhut) | 843333 |
| Postal/ZIP Codes in Thahar, Tirhut) | 843328 |
| Postal/ZIP Codes in Vishwa, Tirhut) | 843324 |