Home Postcode finder VIC Seymour South Seymour South postcode VIC Seymour South is a locality in Victoria covered by postcode 3660. Postcode 3660 State or territory Victoria (VIC) Region Vic Far Country Add a free Seymour South business listing Be the first listing in Seymour South Common questionsWhat is the postcode for Seymour South?Seymour South, VIC has the postcode 3660.What state is Seymour South in?Seymour South is in Victoria (VIC).Does postcode 3660 cover more than one suburb?Yes. Postcode 3660 covers 10 localities, so the postcode alone does not identify Seymour South. Browse other postcodes in Victoria, or widen the search to every Australian postcode.