Home Postcode finder VIC Tyaak Tyaak postcode VIC Tyaak is a locality in Victoria covered by postcode 3658. Postcode 3658 State or territory Victoria (VIC) Region Vic Far Country Add a free Tyaak business listing Be the first listing in Tyaak Common questionsWhat is the postcode for Tyaak?Tyaak, VIC has the postcode 3658.What state is Tyaak in?Tyaak is in Victoria (VIC).Does postcode 3658 cover more than one suburb?Yes. Postcode 3658 covers 9 localities, so the postcode alone does not identify Tyaak. Browse other postcodes in Victoria, or widen the search to every Australian postcode.