Home Postcode finder QLD Glen Allyn Glen Allyn postcode QLD Glen Allyn is a locality in Queensland covered by postcode 4885. Postcode 4885 State or territory Queensland (QLD) Region North QLD Add a free Glen Allyn business listing Be the first listing in Glen Allyn Common questionsWhat is the postcode for Glen Allyn?Glen Allyn, QLD has the postcode 4885.What state is Glen Allyn in?Glen Allyn is in Queensland (QLD).Does postcode 4885 cover more than one suburb?Yes. Postcode 4885 covers 9 localities, so the postcode alone does not identify Glen Allyn. Browse other postcodes in Queensland, or widen the search to every Australian postcode.