Home Postcode finder QLD Mount Fox Mount Fox postcode QLD Mount Fox is a locality in Queensland covered by postcode 4850. Postcode 4850 State or territory Queensland (QLD) Region North QLD Add a free Mount Fox business listing Be the first listing in Mount Fox Common questionsWhat is the postcode for Mount Fox?Mount Fox, QLD has the postcode 4850.What state is Mount Fox in?Mount Fox is in Queensland (QLD).Does postcode 4850 cover more than one suburb?Yes. Postcode 4850 covers 34 localities, so the postcode alone does not identify Mount Fox. Browse other postcodes in Queensland, or widen the search to every Australian postcode.