PIN code 841409 – Gopalganj, Bihar

841409 is the PIN code of 3 post offices in Gopalganj district, Bihar, served by the Dighwdubauli SO sub office.

Post office	Type	Delivery	Division
Dighwdubauli SOMap	Post office	Yes	Siwan Division
Baikunthpur BOMap	Branch office	Yes	Siwan Division
Usribazar 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.