Home Postcode finder QLD West Gladstone West Gladstone postcode QLD West Gladstone is a locality in Queensland covered by postcode 4680. Postcode 4680 State or territory Queensland (QLD) Region Central QLD Add a free West Gladstone business listing Be the first listing in West Gladstone Common questionsWhat is the postcode for West Gladstone?West Gladstone, QLD has the postcode 4680.What state is West Gladstone in?West Gladstone is in Queensland (QLD).Does postcode 4680 cover more than one suburb?Yes. Postcode 4680 covers 41 localities, so the postcode alone does not identify West Gladstone. Browse other postcodes in Queensland, or widen the search to every Australian postcode.