PIN code 691566 – Kollam, Kerala

691566 is the PIN code of 2 post offices in Kollam district, Kerala, served by the Pallickalkottarakara SO sub office.

Post office	Type	Delivery	Division
Pallickalkottarakara SOMap	Post office	Yes	Quilon Division
Perumkulam 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.