Home Postcode finder VIC Williamstown North Williamstown North postcode VIC Williamstown North is a locality in Victoria covered by postcode 3016. Postcode 3016 State or territory Victoria (VIC) Region Footscray Add a free Williamstown North business listing Be the first listing in Williamstown North Common questionsWhat is the postcode for Williamstown North?Williamstown North, VIC has the postcode 3016.What state is Williamstown North in?Williamstown North is in Victoria (VIC).Does postcode 3016 cover more than one suburb?Yes. Postcode 3016 covers 2 localities, so the postcode alone does not identify Williamstown North. Browse other postcodes in Victoria, or widen the search to every Australian postcode.