Home Postcode finder VIC Lockwood South Lockwood South postcode VIC Lockwood South is a locality in Victoria covered by postcode 3551. Postcode 3551 State or territory Victoria (VIC) Region Vic Country Add a free Lockwood South business listing More business listings in Lockwood South Businesses in Lockwood SouthLockwood South Primary SchoolAlt Calder Highway · 03 54353293 Common questionsWhat is the postcode for Lockwood South?Lockwood South, VIC has the postcode 3551.What state is Lockwood South in?Lockwood South is in Victoria (VIC).Does postcode 3551 cover more than one suburb?Yes. Postcode 3551 covers 37 localities, so the postcode alone does not identify Lockwood South. Browse other postcodes in Victoria, or widen the search to every Australian postcode.