Home Postcode finder VIC Rossbridge Rossbridge postcode VIC Rossbridge is a locality in Victoria covered by postcode 3377. Postcode 3377 State or territory Victoria (VIC) Region Vic Far Country Add a free Rossbridge business listing Be the first listing in Rossbridge Common questionsWhat is the postcode for Rossbridge?Rossbridge, VIC has the postcode 3377.What state is Rossbridge in?Rossbridge is in Victoria (VIC).Does postcode 3377 cover more than one suburb?Yes. Postcode 3377 covers 20 localities, so the postcode alone does not identify Rossbridge. Browse other postcodes in Victoria, or widen the search to every Australian postcode.