PIN code 600090 – Chennai, Tamil Nadu

600090 is the PIN code of 2 post offices in Chennai district, Tamil Nadu, served by the Besantnagar S.O sub office.

Post office	Type	Delivery	Division
Besantnagar S.OMap	Post office	Yes	Chennai City South Division
Rajaji Bhavan S.OMap	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.