PIN code 690509 – Alappuzha, Kerala

690509 is the PIN code of 2 post offices in Alappuzha district, Kerala, served by the Kollakadavu SO sub office.

Post office	Type	Delivery	Division
Kollakadavu SOMap	Post office	Yes	Mavelikara Division
Kallimel BOMap	Branch office	Yes	Mavelikara Division

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