Home Postcode finder VIC Coatesville Coatesville postcode VIC Coatesville is a locality in Victoria covered by postcode 3165. Postcode 3165 State or territory Victoria (VIC) Region Mulgrave Add a free Coatesville business listing Be the first listing in Coatesville Common questionsWhat is the postcode for Coatesville?Coatesville, VIC has the postcode 3165.What state is Coatesville in?Coatesville is in Victoria (VIC).Does postcode 3165 cover more than one suburb?Yes. Postcode 3165 covers 2 localities, so the postcode alone does not identify Coatesville. Browse other postcodes in Victoria, or widen the search to every Australian postcode.