PIN code 600071 – Thiruvallur, Tamil Nadu

600071 is the PIN code of 2 post offices in Thiruvallur district, Tamil Nadu, served by the Kamarajnagar SO sub office.

Post office	Type	Delivery	Division
Kamarajnagar SOMap	Post office	Yes	Tambaram Division
Paruthipattu BOMap	Branch office	No	Tambaram Division

Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.