PIN code 691303 – Kollam, Kerala

691303 is the PIN code of 3 post offices in Kollam district, Kerala, served by the Mayyanad SO sub office.

Post office	Type	Delivery	Division
Mayyanad SOMap	Post office	Yes	Quilon Division
Kakkotumoola BOMap	Branch office	No	Quilon Division
Puthenkulam 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.