Home Postcode finder VIC Lockwood Lockwood postcode VIC Lockwood is a locality in Victoria covered by postcode 3551. Postcode 3551 State or territory Victoria (VIC) Region Vic Country Add a free Lockwood business listing More business listings in Lockwood Businesses in LockwoodLockwood Primary School1155 Calder Alternate Hwy · 03 54353224 Common questionsWhat is the postcode for Lockwood?Lockwood, VIC has the postcode 3551.What state is Lockwood in?Lockwood 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. Browse other postcodes in Victoria, or widen the search to every Australian postcode.