Home Postcode finder VIC Tarra Valley Tarra Valley postcode VIC Tarra Valley is a locality in Victoria covered by postcode 3971. Postcode 3971 State or territory Victoria (VIC) Region Vic Far Country Add a free Tarra Valley business listing Be the first listing in Tarra Valley Common questionsWhat is the postcode for Tarra Valley?Tarra Valley, VIC has the postcode 3971.What state is Tarra Valley in?Tarra Valley is in Victoria (VIC).Does postcode 3971 cover more than one suburb?Yes. Postcode 3971 covers 21 localities, so the postcode alone does not identify Tarra Valley. Browse other postcodes in Victoria, or widen the search to every Australian postcode.