Home Postcode finder QLD Colosseum Colosseum postcode QLD Colosseum is a locality in Queensland covered by postcode 4677. Postcode 4677 State or territory Queensland (QLD) Region Central QLD Add a free Colosseum business listing Be the first listing in Colosseum Common questionsWhat is the postcode for Colosseum?Colosseum, QLD has the postcode 4677.What state is Colosseum in?Colosseum is in Queensland (QLD).Does postcode 4677 cover more than one suburb?Yes. Postcode 4677 covers 8 localities, so the postcode alone does not identify Colosseum. Browse other postcodes in Queensland, or widen the search to every Australian postcode.