Home Postcode finder VIC Cassilis Cassilis postcode VIC Cassilis is a locality in Victoria covered by postcode 3898. Postcode 3898 State or territory Victoria (VIC) Region Vic Far Country Add a free Cassilis business listing Be the first listing in Cassilis Common questionsWhat is the postcode for Cassilis?Cassilis, VIC has the postcode 3898.What state is Cassilis in?Cassilis is in Victoria (VIC).Does postcode 3898 cover more than one suburb?Yes. Postcode 3898 covers 12 localities, so the postcode alone does not identify Cassilis. Browse other postcodes in Victoria, or widen the search to every Australian postcode.