| State | District | Location | Post Code |
|---|---|---|---|
| Bihar | SIWAN | Ansar BO | 841203 |
| Bihar | SIWAN | Bakhari BO | 841203 |
| Bihar | SIWAN | Bangra Ke Bari BO | 841203 |
| Bihar | SIWAN | Chainpur SO Siwan | 841203 |
| Bihar | SIWAN | Chhitauli BO | 841203 |
| Bihar | SIWAN | Dighwalia BO | 841203 |
| Bihar | SIWAN | Jagdishpur BO | 841203 |
| Bihar | SIWAN | Nandamura BO | 841203 |
| Bihar | SIWAN | Ramgarh BO | 841203 |
| Bihar | SIWAN | Sarhara BO | 841203 |