Home Postcode finder QLD Brisk Bay Brisk Bay postcode QLD Brisk Bay is a locality in Queensland covered by postcode 4805. Postcode 4805 State or territory Queensland (QLD) Region North QLD Add a free Brisk Bay business listing Be the first listing in Brisk Bay Common questionsWhat is the postcode for Brisk Bay?Brisk Bay, QLD has the postcode 4805.What state is Brisk Bay in?Brisk Bay is in Queensland (QLD).Does postcode 4805 cover more than one suburb?Yes. Postcode 4805 covers 7 localities, so the postcode alone does not identify Brisk Bay. Browse other postcodes in Queensland, or widen the search to every Australian postcode.