PIN code 711309 – Howrah, West Bengal

711309 is the PIN code of 2 post offices in Howrah district, West Bengal, served by the Delta Mil SO sub office.

Post office	Type	Delivery	Division
Delta Mil SOMap	Post office	Yes	Howrah Division
Sarenga BOMap	Branch office	Yes	Howrah Division

Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.