PIN code 841237 – Siwan, Bihar
841237 is the PIN code of 5 post offices in Siwan district, Bihar, served by the Hussainganj SO sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Hussainganj SOMap | Post office | Yes | Siwan Division |
| Ballia BOMap | Branch office | Yes | Siwan Division |
| Bhikhpur BOMap | Branch office | Yes | Siwan Division |
| Hathura BOMap | Branch office | Yes | Siwan Division |
| Machakna BOMap | Branch office | Yes | Siwan Division |
Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.