Home Postcode finder VIC Merrimu Merrimu postcode VIC Merrimu is a locality in Victoria covered by postcode 3340. Postcode 3340 State or territory Victoria (VIC) Region Melbourne North West Add a free Merrimu business listing Be the first listing in Merrimu Common questionsWhat is the postcode for Merrimu?Merrimu, VIC has the postcode 3340.What state is Merrimu in?Merrimu is in Victoria (VIC).Does postcode 3340 cover more than one suburb?Yes. Postcode 3340 covers 12 localities, so the postcode alone does not identify Merrimu. Browse other postcodes in Victoria, or widen the search to every Australian postcode.