PIN code 683578 – Ernakulam, Kerala

683578 is the PIN code of 3 post offices in Ernakulam district, Kerala, served by the Chengamanad SO sub office.

Post office	Type	Delivery	Division
Chengamanad SOMap	Post office	Yes	Alwaye Division
Kunnukara BOMap	Branch office	Yes	Alwaye Division
SAduvassery 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.