PIN code 691576 – Kollam, Kerala

691576 is the PIN code of 3 post offices in Kollam district, Kerala, served by the Kannanallur SO sub office.

Post office	Type	Delivery	Division
Kannanallur SOMap	Post office	Yes	Quilon Division
Nedumpana BOMap	Branch office	Yes	Quilon Division
Pallimon 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.