PIN code 603210 – Chengalpattu, Tamil Nadu

603210 is the PIN code of 2 post offices in Chengalpattu district, Tamil Nadu, served by the Urapakkam SO sub office.

Post office	Type	Delivery	Division
Urapakkam SOMap	Post office	Yes	Chengalpattu Division
Madurai Meenakshipuram B.OMap	Branch office	Yes	Chengalpattu Division

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