PIN code 685616 – Idukki, Kerala

685616 is the PIN code of 2 post offices in Idukki district, Kerala, served by the Mattuppatti SO sub office.

Post office	Type	Delivery	Division
Mattuppatti SOMap	Post office	Yes	Idukki Division
Mattupatty ISP 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.