Home Postcode finder VIC Gower Gower postcode VIC Gower is a locality in Victoria covered by postcode 3451. Postcode 3451 State or territory Victoria (VIC) Region Vic Far Country Add a free Gower business listing Be the first listing in Gower Common questionsWhat is the postcode for Gower?Gower, VIC has the postcode 3451.What state is Gower in?Gower is in Victoria (VIC).Does postcode 3451 cover more than one suburb?Yes. Postcode 3451 covers 16 localities, so the postcode alone does not identify Gower. Browse other postcodes in Victoria, or widen the search to every Australian postcode.