Home Postcode finder QLD Wilsonton Heights Wilsonton Heights postcode QLD Wilsonton Heights is a locality in Queensland covered by postcode 4350. Postcode 4350 State or territory Queensland (QLD) Region Toowoomba Region Add a free Wilsonton Heights business listing Be the first listing in Wilsonton Heights Common questionsWhat is the postcode for Wilsonton Heights?Wilsonton Heights, QLD has the postcode 4350.What state is Wilsonton Heights in?Wilsonton Heights 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 Wilsonton Heights. Browse other postcodes in Queensland, or widen the search to every Australian postcode.