PIN code 685601 – Idukki, Kerala

685601 is the PIN code of 2 post offices in Idukki district, Kerala, served by the Kulamavu SO sub office.

Post office	Type	Delivery	Division
Kulamavu SOMap	Post office	Yes	Idukki Division
Karippalangad 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.