Home Postcode finder QLD Wilston Wilston postcode QLD Wilston is a locality in Queensland covered by postcode 4051. Postcode 4051 State or territory Queensland (QLD) Region Northgate Add a free Wilston business listing More business listings in Wilston Businesses in WilstonAsbestos Audit Pty LtdPO Box 309 · 0417340709Belle Property2-99 Kedron Brook Road · (07) 3339 8900Delaney & Delaney Solicitors131 Kedron Brook Road · 0732362604 Common questionsWhat is the postcode for Wilston?Wilston, QLD has the postcode 4051.What state is Wilston in?Wilston is in Queensland (QLD).Does postcode 4051 cover more than one suburb?Yes. Postcode 4051 covers 6 localities, so the postcode alone does not identify Wilston. Browse other postcodes in Queensland, or widen the search to every Australian postcode.