| State | District | Location | Post Code |
|---|---|---|---|
| Bihar | SIWAN | Agya BO | 841439 |
| Bihar | SIWAN | Chainpur BO | 841439 |
| Bihar | SIWAN | Kaladumra BO | 841439 |
| Bihar | SIWAN | Laxmiganj BO | 841439 |
| Bihar | SIWAN | Mustfabad SO | 841439 |
| Bihar | SIWAN | Purandarpur BO | 841439 |
| Bihar | SIWAN | Sahatwar BO | 841439 |
| Bihar | SIWAN | Saidpura BO | 841439 |
| Bihar | SIWAN | Sani Basantpur BO | 841439 |