Pin code 841237
5 post offices in Siwan, Bihar use pin code 841237.
| Post office | Type | Division |
|---|---|---|
| Ballia | BO | Siwan Division |
| Bhikhpur | BO | Siwan Division |
| Hathura | BO | Siwan Division |
| Hussainganj | PO | Siwan Division |
| Machakna | BO | Siwan Division |
What 841237 tells you
The first digit, 8, is the postal zone. The first two digits, 84, are the postal circle. The first three, 841, are the sorting district, and 237 identifies the delivery office.