PIN code 690528 – Kollam, Kerala

690528 is the PIN code of 2 post offices in Kollam district, Kerala, served by the Vavvakkavu SO sub office.

Post office	Type	Delivery	Division
Vavvakkavu SOMap	Post office	Yes	Quilon Division
Varavila BOMap	Branch office	Yes	Quilon Division

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