Home Postcode finder QLD Obi Obi Obi Obi postcode QLD Obi Obi is a locality in Queensland covered by postcode 4574. Postcode 4574 State or territory Queensland (QLD) Region Sunshine Coast Add a free Obi Obi business listing Be the first listing in Obi Obi Common questionsWhat is the postcode for Obi Obi?Obi Obi, QLD has the postcode 4574.What state is Obi Obi in?Obi Obi is in Queensland (QLD).Does postcode 4574 cover more than one suburb?Yes. Postcode 4574 covers 6 localities, so the postcode alone does not identify Obi Obi. Browse other postcodes in Queensland, or widen the search to every Australian postcode.