PIN code 690544 – Kollam, Kerala

690544 is the PIN code of 2 post offices in Kollam district, Kerala, served by the Kulasekharapuram SO sub office.

Post office	Type	Delivery	Division
Kulasekharapuram SOMap	Post office	Yes	Quilon Division
Karunagappally North BOMap	Branch office	No	Quilon Division

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