Home Postcode finder QLD Toomulla Toomulla postcode QLD Toomulla is a locality in Queensland covered by postcode 4816. Postcode 4816 State or territory Queensland (QLD) Region North QLD Add a free Toomulla business listing Be the first listing in Toomulla Common questionsWhat is the postcode for Toomulla?Toomulla, QLD has the postcode 4816.What state is Toomulla in?Toomulla is in Queensland (QLD).Does postcode 4816 cover more than one suburb?Yes. Postcode 4816 covers 40 localities, so the postcode alone does not identify Toomulla. Browse other postcodes in Queensland, or widen the search to every Australian postcode.