Home Postcode finder VIC Tatyoon Tatyoon postcode VIC Tatyoon is a locality in Victoria covered by postcode 3378. Postcode 3378 State or territory Victoria (VIC) Region Vic Far Country Add a free Tatyoon business listing Be the first listing in Tatyoon Common questionsWhat is the postcode for Tatyoon?Tatyoon, VIC has the postcode 3378.What state is Tatyoon in?Tatyoon is in Victoria (VIC).Does postcode 3378 cover more than one suburb?Yes. Postcode 3378 covers 2 localities, so the postcode alone does not identify Tatyoon. Browse other postcodes in Victoria, or widen the search to every Australian postcode.