Home Postcode finder VIC Brunswick South Brunswick South postcode VIC Brunswick South is a locality in Victoria covered by postcode 3055. Postcode 3055 State or territory Victoria (VIC) Region Preston Add a free Brunswick South business listing Be the first listing in Brunswick South Common questionsWhat is the postcode for Brunswick South?Brunswick South, VIC has the postcode 3055.What state is Brunswick South in?Brunswick South is in Victoria (VIC).Does postcode 3055 cover more than one suburb?Yes. Postcode 3055 covers 4 localities, so the postcode alone does not identify Brunswick South. Browse other postcodes in Victoria, or widen the search to every Australian postcode.