PIN code 580031 – Dharwad, Karnataka

580031 is the PIN code of 2 post offices in Dharwad district, Karnataka, served by the Hubballi Eng College S.O sub office.

Post office	Type	Delivery	Division
Hubballi Eng College S.OMap	Post office	Yes	Dharwad Division
Hubballi Unkal S.OMap	Post office	No	Dharwad Division

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