Home Postcode finder VIC Tarnook Tarnook postcode VIC Tarnook is a locality in Victoria covered by postcode 3670. Postcode 3670 State or territory Victoria (VIC) Region Vic Far Country Add a free Tarnook business listing Be the first listing in Tarnook Common questionsWhat is the postcode for Tarnook?Tarnook, VIC has the postcode 3670.What state is Tarnook in?Tarnook is in Victoria (VIC).Does postcode 3670 cover more than one suburb?Yes. Postcode 3670 covers 3 localities, so the postcode alone does not identify Tarnook. Browse other postcodes in Victoria, or widen the search to every Australian postcode.