PIN code 685507 – Idukki, Kerala

685507 is the PIN code of 2 post offices in Idukki district, Kerala, served by the Ayyappancoil SO sub office.

Post office	Type	Delivery	Division
Ayyappancoil SOMap	Post office	Yes	Idukki Division
Kalthotty 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.