Home Postcode finder QLD Redwood Redwood postcode QLD Redwood is a locality in Queensland covered by postcode 4350. Postcode 4350 State or territory Queensland (QLD) Region Toowoomba Region Add a free Redwood business listing Be the first listing in Redwood Common questionsWhat is the postcode for Redwood?Redwood, QLD has the postcode 4350.What state is Redwood in?Redwood is in Queensland (QLD).Does postcode 4350 cover more than one suburb?Yes. Postcode 4350 covers 43 localities, so the postcode alone does not identify Redwood. Browse other postcodes in Queensland, or widen the search to every Australian postcode.