Home Postcode finder QLD Samsonvale Samsonvale postcode QLD Samsonvale is a locality in Queensland covered by postcode 4520. Postcode 4520 State or territory Queensland (QLD) Region Moreton Add a free Samsonvale business listing Be the first listing in Samsonvale Common questionsWhat is the postcode for Samsonvale?Samsonvale, QLD has the postcode 4520.What state is Samsonvale in?Samsonvale is in Queensland (QLD).Does postcode 4520 cover more than one suburb?Yes. Postcode 4520 covers 18 localities, so the postcode alone does not identify Samsonvale. Browse other postcodes in Queensland, or widen the search to every Australian postcode.