Home Postcode finder VIC Mount Lonarch Mount Lonarch postcode VIC Mount Lonarch is a locality in Victoria covered by postcode 3468. Postcode 3468 State or territory Victoria (VIC) Region Vic Far Country Add a free Mount Lonarch business listing Be the first listing in Mount Lonarch Common questionsWhat is the postcode for Mount Lonarch?Mount Lonarch, VIC has the postcode 3468.What state is Mount Lonarch in?Mount Lonarch is in Victoria (VIC).Does postcode 3468 cover more than one suburb?Yes. Postcode 3468 covers 2 localities, so the postcode alone does not identify Mount Lonarch. Browse other postcodes in Victoria, or widen the search to every Australian postcode.