PIN code 685618 – Idukki, Kerala

685618 is the PIN code of 3 post offices in Idukki district, Kerala, served by the Surianalle SO sub office.

Post office	Type	Delivery	Division
Surianalle SOMap	Post office	Yes	Idukki Division
Chinnakanal BOMap	Branch office	Yes	Idukki Division
Sinkukandam BOMap	Branch office	Yes	Idukki Division

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