Home Postcode finder VIC Shannonvale Shannonvale postcode VIC Shannonvale is a locality in Victoria covered by postcode 3898. Postcode 3898 State or territory Victoria (VIC) Region Vic Far Country Add a free Shannonvale business listing Be the first listing in Shannonvale Common questionsWhat is the postcode for Shannonvale?Shannonvale, VIC has the postcode 3898.What state is Shannonvale in?Shannonvale 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 Shannonvale. Browse other postcodes in Victoria, or widen the search to every Australian postcode.