PIN code 637402 – Namakkal, Tamil Nadu

637402 is the PIN code of 2 post offices in Namakkal district, Tamil Nadu, served by the Belukurichi S.O sub office.

Post office	Type	Delivery	Division
Belukurichi S.OMap	Post office	Yes	Namakkal Division
Kalkurichi B.OMap	Branch office	Yes	Namakkal Division

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