PIN code 686665 – Ernakulam, Kerala

686665 is the PIN code of 3 post offices in Ernakulam district, Kerala, served by the Elanji SO sub office.

Post office	Type	Delivery	Division
Elanji SOMap	Post office	Yes	Alwaye Division
Mutholapuram BOMap	Branch office	Yes	Alwaye Division
Perumbadavam BOMap	Branch office	Yes	Alwaye Division

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