Home Postcode finder QLD Holland Park Holland Park postcode QLD Holland Park is a locality in Queensland covered by postcode 4121. Postcode 4121 State or territory Queensland (QLD) Region South Subs Add a free Holland Park business listing More business listings in Holland Park Businesses in Holland ParkBJC Painting Services38 Greenmount Avenue · 0402764497Cavendish Road State High School695 Cavendish Rd · 07 33940777Content Authority35 Buckland St, Holland Park QLD, Australia · 0490 436 812 Common questionsWhat is the postcode for Holland Park?Holland Park, QLD has the postcode 4121.What state is Holland Park in?Holland Park is in Queensland (QLD).Does postcode 4121 cover more than one suburb?Yes. Postcode 4121 covers 5 localities, so the postcode alone does not identify Holland Park. Browse other postcodes in Queensland, or widen the search to every Australian postcode.