Home Postcode finder VIC Hilgay Hilgay postcode VIC Hilgay is a locality in Victoria covered by postcode 3315. Postcode 3315 State or territory Victoria (VIC) Region Vic Far Country Add a free Hilgay business listing Be the first listing in Hilgay Common questionsWhat is the postcode for Hilgay?Hilgay, VIC has the postcode 3315.What state is Hilgay in?Hilgay is in Victoria (VIC).Does postcode 3315 cover more than one suburb?Yes. Postcode 3315 covers 17 localities, so the postcode alone does not identify Hilgay. Browse other postcodes in Victoria, or widen the search to every Australian postcode.