Home Postcode finder QLD Kooralbyn Kooralbyn postcode QLD Kooralbyn is a locality in Queensland covered by postcode 4285. Postcode 4285 State or territory Queensland (QLD) Region Heathwood Add a free Kooralbyn business listing More business listings in Kooralbyn Businesses in KooralbynKooralbyn International SchoolOgilvie Place · 07 55446288My Assistant Errand ServiceKooralbyn · 0401306853My Assistant Kooralbyn Errand ServiceKooralbyn · 0401306853 Common questionsWhat is the postcode for Kooralbyn?Kooralbyn, QLD has the postcode 4285.What state is Kooralbyn in?Kooralbyn is in Queensland (QLD).Does postcode 4285 cover more than one suburb?Yes. Postcode 4285 covers 33 localities, so the postcode alone does not identify Kooralbyn. Browse other postcodes in Queensland, or widen the search to every Australian postcode.