PIN code 637211 – Namakkal, Tamil Nadu

637211 is the PIN code of 2 post offices in Namakkal district, Tamil Nadu, served by the Tiruchengodu South S.O sub office.

Post office	Type	Delivery	Division
Tiruchengodu South S.OMap	Post office	No	Namakkal Division
Tiruchengodu H.OMap	Head office	Yes	Namakkal Division

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