Home Postcode finder VIC Springfield Springfield postcode VIC Springfield is a locality in Victoria covered by postcode 3434. Postcode 3434 State or territory Victoria (VIC) Region Melbourne North West Add a free Springfield business listing Be the first listing in Springfield Common questionsWhat is the postcode for Springfield?Springfield, VIC has the postcode 3434.What state is Springfield in?Springfield is in Victoria (VIC).Does postcode 3434 cover more than one suburb?Yes. Postcode 3434 covers 4 localities, so the postcode alone does not identify Springfield. Browse other postcodes in Victoria, or widen the search to every Australian postcode.