Home Postcode finder VIC Watsonia North Watsonia North postcode VIC Watsonia North is a locality in Victoria covered by postcode 3087. Postcode 3087 State or territory Victoria (VIC) Region Preston Add a free Watsonia North business listing Be the first listing in Watsonia North Common questionsWhat is the postcode for Watsonia North?Watsonia North, VIC has the postcode 3087.What state is Watsonia North in?Watsonia North is in Victoria (VIC).Does postcode 3087 cover more than one suburb?Yes. Postcode 3087 covers 2 localities, so the postcode alone does not identify Watsonia North. Browse other postcodes in Victoria, or widen the search to every Australian postcode.