Home Postcode finder QLD Greenwood Greenwood postcode QLD Greenwood is a locality in Queensland covered by postcode 4401. Postcode 4401 State or territory Queensland (QLD) Region Toowoomba Region Add a free Greenwood business listing Be the first listing in Greenwood Common questionsWhat is the postcode for Greenwood?Greenwood, QLD has the postcode 4401.What state is Greenwood in?Greenwood is in Queensland (QLD).Does postcode 4401 cover more than one suburb?Yes. Postcode 4401 covers 16 localities, so the postcode alone does not identify Greenwood. Browse other postcodes in Queensland, or widen the search to every Australian postcode.