PIN code 691010 – Kollam, Kerala

691010 is the PIN code of 2 post offices in Kollam district, Kerala, served by the Vadakkevila SO sub office.

Post office	Type	Delivery	Division
Vadakkevila SOMap	Post office	Yes	Quilon Division
Mundakkal 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.