Home Postcode finder VIC Genoa Genoa postcode VIC Genoa is a locality in Victoria covered by postcode 3891. Postcode 3891 State or territory Victoria (VIC) Region Vic Far Country Add a free Genoa business listing Be the first listing in Genoa Common questionsWhat is the postcode for Genoa?Genoa, VIC has the postcode 3891.What state is Genoa in?Genoa is in Victoria (VIC).Does postcode 3891 cover more than one suburb?Yes. Postcode 3891 covers 7 localities, so the postcode alone does not identify Genoa. Browse other postcodes in Victoria, or widen the search to every Australian postcode.