Home Postcode finder QLD Coolum Beach Coolum Beach postcode QLD Coolum Beach is a locality in Queensland covered by postcode 4573. Postcode 4573 State or territory Queensland (QLD) Region Sunshine Coast Add a free Coolum Beach business listing More business listings in Coolum Beach Businesses in Coolum BeachAmore Pizza Co3/19 Birtwill Street, Coolum Beach QLD, Australia · 07 53729482Aussie Tiny Houses10-12 Link Crescent, Coolum Beach QLD, Australia · 0753242499BW Electrical & Data3/54 Lysaght St, Coolum Beach Queensland 4573, Australia · 0401423053 Common questionsWhat is the postcode for Coolum Beach?Coolum Beach, QLD has the postcode 4573.What state is Coolum Beach in?Coolum Beach is in Queensland (QLD).Does postcode 4573 cover more than one suburb?Yes. Postcode 4573 covers 7 localities, so the postcode alone does not identify Coolum Beach. Browse other postcodes in Queensland, or widen the search to every Australian postcode.