Home Postcode finder VIC Maintongoon Maintongoon postcode VIC Maintongoon is a locality in Victoria covered by postcode 3714. Postcode 3714 State or territory Victoria (VIC) Region Vic Far Country Add a free Maintongoon business listing Be the first listing in Maintongoon Common questionsWhat is the postcode for Maintongoon?Maintongoon, VIC has the postcode 3714.What state is Maintongoon in?Maintongoon is in Victoria (VIC).Does postcode 3714 cover more than one suburb?Yes. Postcode 3714 covers 10 localities, so the postcode alone does not identify Maintongoon. Browse other postcodes in Victoria, or widen the search to every Australian postcode.