Home Postcode finder QLD Byellee Byellee postcode QLD Byellee is a locality in Queensland covered by postcode 4680. Postcode 4680 State or territory Queensland (QLD) Region Central QLD Add a free Byellee business listing Be the first listing in Byellee Common questionsWhat is the postcode for Byellee?Byellee, QLD has the postcode 4680.What state is Byellee in?Byellee 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 Byellee. Browse other postcodes in Queensland, or widen the search to every Australian postcode.