Home Postcode finder VIC Swan Marsh Swan Marsh postcode VIC Swan Marsh is a locality in Victoria covered by postcode 3249. Postcode 3249 State or territory Victoria (VIC) Region Vic Far Country Add a free Swan Marsh business listing More business listings in Swan Marsh Businesses in Swan MarshSwan Marsh Primary SchoolGovernment Rd · 03 52351318 Common questionsWhat is the postcode for Swan Marsh?Swan Marsh, VIC has the postcode 3249.What state is Swan Marsh in?Swan Marsh is in Victoria (VIC).Does postcode 3249 cover more than one suburb?Yes. Postcode 3249 covers 25 localities, so the postcode alone does not identify Swan Marsh. Browse other postcodes in Victoria, or widen the search to every Australian postcode.