Home Postcode finder VIC Driffield Driffield postcode VIC Driffield is a locality in Victoria covered by postcode 3840. Postcode 3840 State or territory Victoria (VIC) Region Vic Country Add a free Driffield business listing Be the first listing in Driffield Common questionsWhat is the postcode for Driffield?Driffield, VIC has the postcode 3840.What state is Driffield in?Driffield is in Victoria (VIC).Does postcode 3840 cover more than one suburb?Yes. Postcode 3840 covers 11 localities, so the postcode alone does not identify Driffield. Browse other postcodes in Victoria, or widen the search to every Australian postcode.