PIN code 686143 – Kottayam, Kerala

686143 is the PIN code of 2 post offices in Kottayam district, Kerala, served by the Udayanapuram SO sub office.

Post office	Type	Delivery	Division
Udayanapuram SOMap	Post office	Yes	Kottayam Division
Akkarapadom 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.