Home Postcode finder VIC Wonga Park Wonga Park postcode VIC Wonga Park is a locality in Victoria covered by postcode 3115. Postcode 3115 State or territory Victoria (VIC) Region Ringwood Add a free Wonga Park business listing Be the first listing in Wonga Park Common questionsWhat is the postcode for Wonga Park?Wonga Park, VIC has the postcode 3115.What state is Wonga Park in?Wonga Park is in Victoria (VIC).Does postcode 3115 cover more than one suburb?No. Postcode 3115 covers Wonga Park only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.