Home Postcode finder QLD Stanwell Stanwell postcode QLD Stanwell is a locality in Queensland covered by postcode 4702. Postcode 4702 State or territory Queensland (QLD) Region Central QLD Add a free Stanwell business listing Be the first listing in Stanwell Common questionsWhat is the postcode for Stanwell?Stanwell, QLD has the postcode 4702.What state is Stanwell in?Stanwell is in Queensland (QLD).Does postcode 4702 cover more than one suburb?Yes. Postcode 4702 covers 87 localities, so the postcode alone does not identify Stanwell. Browse other postcodes in Queensland, or widen the search to every Australian postcode.