Home Postcode finder QLD Stewart Creek Valley Stewart Creek Valley postcode QLD Stewart Creek Valley is a locality in Queensland covered by postcode 4873. Postcode 4873 State or territory Queensland (QLD) Region North QLD Add a free Stewart Creek Valley business listing Be the first listing in Stewart Creek Valley Common questionsWhat is the postcode for Stewart Creek Valley?Stewart Creek Valley, QLD has the postcode 4873.What state is Stewart Creek Valley in?Stewart Creek Valley is in Queensland (QLD).Does postcode 4873 cover more than one suburb?Yes. Postcode 4873 covers 29 localities, so the postcode alone does not identify Stewart Creek Valley. Browse other postcodes in Queensland, or widen the search to every Australian postcode.