PIN code 680304 – Thrissur, Kerala

680304 is the PIN code of 2 post offices in Thrissur district, Kerala, served by the Palappilly SO sub office.

Post office	Type	Delivery	Division
Palappilly SOMap	Post office	Yes	Irinjalakuda Division
CHIMMONI DAM BOMap	Branch office	Yes	Irinjalakuda Division

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