PIN code 691577 – Kollam, Kerala

691577 is the PIN code of 3 post offices in Kollam district, Kerala, served by the Mukathala SO sub office.

Post office	Type	Delivery	Division
Mukathala SOMap	Post office	Yes	Quilon Division
Alumoodu BOMap	Branch office	Yes	Quilon Division
Decent Jn 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.