PIN code 600020 – Chennai, Tamil Nadu

600020 is the PIN code of 2 post offices in Chennai district, Tamil Nadu, served by the Adyar S.O (Chennai) sub office.

Post office	Type	Delivery	Division
Adyar S.O (Chennai)Map	Post office	Yes	Chennai City South Division
Shastri Nagar S.O (Chennai)Map	Post office	No	Chennai City South Division

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