PIN code 686521 – Kottayam, Kerala

686521 is the PIN code of 2 post offices in Kottayam district, Kerala, served by the Pampady South SO sub office.

Post office	Type	Delivery	Division
Pampady South SOMap	Post office	Yes	Changanacherry Division
Poothakuzhy BOMap	Branch office	Yes	Changanacherry Division

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