Home Postcode finder QLD Cape Gloucester Cape Gloucester postcode QLD Cape Gloucester is a locality in Queensland covered by postcode 4800. Postcode 4800 State or territory Queensland (QLD) Region Central QLD Add a free Cape Gloucester business listing Be the first listing in Cape Gloucester Common questionsWhat is the postcode for Cape Gloucester?Cape Gloucester, QLD has the postcode 4800.What state is Cape Gloucester in?Cape Gloucester is in Queensland (QLD).Does postcode 4800 cover more than one suburb?Yes. Postcode 4800 covers 38 localities, so the postcode alone does not identify Cape Gloucester. Browse other postcodes in Queensland, or widen the search to every Australian postcode.