Home Postcode finder QLD No 6 Branch No 6 Branch postcode QLD No 6 Branch is a locality in Queensland covered by postcode 4859. Postcode 4859 State or territory Queensland (QLD) Region North QLD Add a free No 6 Branch business listing Be the first listing in No 6 Branch Common questionsWhat is the postcode for No 6 Branch?No 6 Branch, QLD has the postcode 4859.What state is No 6 Branch in?No 6 Branch is in Queensland (QLD).Does postcode 4859 cover more than one suburb?Yes. Postcode 4859 covers 2 localities, so the postcode alone does not identify No 6 Branch. Browse other postcodes in Queensland, or widen the search to every Australian postcode.