Home Postcode finder QLD Lake Proserpine Lake Proserpine postcode QLD Lake Proserpine is a locality in Queensland covered by postcode 4800. Postcode 4800 State or territory Queensland (QLD) Region Central QLD Add a free Lake Proserpine business listing Be the first listing in Lake Proserpine Common questionsWhat is the postcode for Lake Proserpine?Lake Proserpine, QLD has the postcode 4800.What state is Lake Proserpine in?Lake Proserpine is in Queensland (QLD).Does postcode 4800 cover more than one suburb?Yes. Postcode 4800 covers 38 localities, so the postcode alone does not identify Lake Proserpine. Browse other postcodes in Queensland, or widen the search to every Australian postcode.