PIN code 691004 – Kollam, Kerala

691004 is the PIN code of 2 post offices in Kollam district, Kerala, served by the Kilikollur SO sub office.

Post office	Type	Delivery	Division
Kilikollur SOMap	Post office	Yes	Quilon Division
Kallumthazham 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.