PIN code 609606 – Karaikal, Puducherry

609606 is the PIN code of 2 post offices in Karaikal district, Puducherry, served by the Tirumalairayanpattinam S.O sub office.

Post office	Type	Delivery	Division
Tirumalairayanpattinam S.OMap	Post office	Yes	Nagapattinam Division
T.R.Pattinam South B.OMap	Branch office	No	Nagapattinam Division

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