Home Postcode finder VIC Winnap Winnap postcode VIC Winnap is a locality in Victoria covered by postcode 3304. Postcode 3304 State or territory Victoria (VIC) Region Vic Far Country Add a free Winnap business listing Be the first listing in Winnap Common questionsWhat is the postcode for Winnap?Winnap, VIC has the postcode 3304.What state is Winnap in?Winnap is in Victoria (VIC).Does postcode 3304 cover more than one suburb?Yes. Postcode 3304 covers 12 localities, so the postcode alone does not identify Winnap. Browse other postcodes in Victoria, or widen the search to every Australian postcode.