Home Postcode finder QLD Walmul Walmul postcode QLD Walmul is a locality in Queensland covered by postcode 4714. Postcode 4714 State or territory Queensland (QLD) Region Central QLD Add a free Walmul business listing Be the first listing in Walmul Common questionsWhat is the postcode for Walmul?Walmul, QLD has the postcode 4714.What state is Walmul in?Walmul is in Queensland (QLD).Does postcode 4714 cover more than one suburb?Yes. Postcode 4714 covers 18 localities, so the postcode alone does not identify Walmul. Browse other postcodes in Queensland, or widen the search to every Australian postcode.