Home Postcode finder VIC Gilderoy Gilderoy postcode VIC Gilderoy is a locality in Victoria covered by postcode 3797. Postcode 3797 State or territory Victoria (VIC) Region Ringwood Add a free Gilderoy business listing Be the first listing in Gilderoy Common questionsWhat is the postcode for Gilderoy?Gilderoy, VIC has the postcode 3797.What state is Gilderoy in?Gilderoy is in Victoria (VIC).Does postcode 3797 cover more than one suburb?Yes. Postcode 3797 covers 5 localities, so the postcode alone does not identify Gilderoy. Browse other postcodes in Victoria, or widen the search to every Australian postcode.