Home Postcode finder QLD Wilsons Plains Wilsons Plains postcode QLD Wilsons Plains is a locality in Queensland covered by postcode 4307. Postcode 4307 State or territory Queensland (QLD) Region Western Suburbs Add a free Wilsons Plains business listing Be the first listing in Wilsons Plains Common questionsWhat is the postcode for Wilsons Plains?Wilsons Plains, QLD has the postcode 4307.What state is Wilsons Plains in?Wilsons Plains is in Queensland (QLD).Does postcode 4307 cover more than one suburb?Yes. Postcode 4307 covers 7 localities, so the postcode alone does not identify Wilsons Plains. Browse other postcodes in Queensland, or widen the search to every Australian postcode.