Home Postcode finder QLD Wallaroo Wallaroo postcode QLD Wallaroo is a locality in Queensland covered by postcode 4702. Postcode 4702 State or territory Queensland (QLD) Region Central QLD Add a free Wallaroo business listing Be the first listing in Wallaroo Common questionsWhat is the postcode for Wallaroo?Wallaroo, QLD has the postcode 4702.What state is Wallaroo in?Wallaroo is in Queensland (QLD).Does postcode 4702 cover more than one suburb?Yes. Postcode 4702 covers 87 localities, so the postcode alone does not identify Wallaroo. Browse other postcodes in Queensland, or widen the search to every Australian postcode.