PIN code 691571 – Kollam, Kerala

691571 is the PIN code of 2 post offices in Kollam district, Kerala, served by the Kottiyam SO sub office.

Post office	Type	Delivery	Division
Kottiyam SOMap	Post office	Yes	Quilon Division
Mylakkadu 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.