Home Postcode finder VIC Dumbalk North Dumbalk North postcode VIC Dumbalk North is a locality in Victoria covered by postcode 3956. Postcode 3956 State or territory Victoria (VIC) Region Vic Far Country Add a free Dumbalk North business listing Be the first listing in Dumbalk North Common questionsWhat is the postcode for Dumbalk North?Dumbalk North, VIC has the postcode 3956.What state is Dumbalk North in?Dumbalk North is in Victoria (VIC).Does postcode 3956 cover more than one suburb?Yes. Postcode 3956 covers 9 localities, so the postcode alone does not identify Dumbalk North. Browse other postcodes in Victoria, or widen the search to every Australian postcode.