Home Postcode finder VIC Black Rock North Black Rock North postcode VIC Black Rock North is a locality in Victoria covered by postcode 3193. Postcode 3193 State or territory Victoria (VIC) Region Dandenong Add a free Black Rock North business listing Be the first listing in Black Rock North Common questionsWhat is the postcode for Black Rock North?Black Rock North, VIC has the postcode 3193.What state is Black Rock North in?Black Rock North is in Victoria (VIC).Does postcode 3193 cover more than one suburb?Yes. Postcode 3193 covers 4 localities, so the postcode alone does not identify Black Rock North. Browse other postcodes in Victoria, or widen the search to every Australian postcode.