Home Postcode finder VIC Maindample Maindample postcode VIC Maindample is a locality in Victoria covered by postcode 3723. Postcode 3723 State or territory Victoria (VIC) Region Vic Far Country Add a free Maindample business listing Be the first listing in Maindample Common questionsWhat is the postcode for Maindample?Maindample, VIC has the postcode 3723.What state is Maindample in?Maindample is in Victoria (VIC).Does postcode 3723 cover more than one suburb?Yes. Postcode 3723 covers 25 localities, so the postcode alone does not identify Maindample. Browse other postcodes in Victoria, or widen the search to every Australian postcode.