PIN code 686561 – Kottayam, Kerala

686561 is the PIN code of 2 post offices in Kottayam district, Kerala, served by the Mannanam SO sub office.

Post office	Type	Delivery	Division
Mannanam SOMap	Post office	Yes	Kottayam Division
Amalagiri BOMap	Branch office	Yes	Kottayam Division

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