Home Postcode finder QLD Lake Borumba Lake Borumba postcode QLD Lake Borumba is a locality in Queensland covered by postcode 4570. Postcode 4570 State or territory Queensland (QLD) Region Sunshine Coast Add a free Lake Borumba business listing Be the first listing in Lake Borumba Common questionsWhat is the postcode for Lake Borumba?Lake Borumba, QLD has the postcode 4570.What state is Lake Borumba in?Lake Borumba is in Queensland (QLD).Does postcode 4570 cover more than one suburb?Yes. Postcode 4570 covers 85 localities, so the postcode alone does not identify Lake Borumba. Browse other postcodes in Queensland, or widen the search to every Australian postcode.