PIN code 691543 – Kollam, Kerala

691543 is the PIN code of 2 post offices in Kollam district, Kerala, served by the Kaithacode SO sub office.

Post office	Type	Delivery	Division
Kaithacode SOMap	Post office	Yes	Quilon Division
Cherupoika 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.