Home Postcode finder VIC Bolton Bolton postcode VIC Bolton is a locality in Victoria covered by postcode 3546. Postcode 3546 State or territory Victoria (VIC) Region Vic Far Country Add a free Bolton business listing Be the first listing in Bolton Common questionsWhat is the postcode for Bolton?Bolton, VIC has the postcode 3546.What state is Bolton in?Bolton is in Victoria (VIC).Does postcode 3546 cover more than one suburb?Yes. Postcode 3546 covers 7 localities, so the postcode alone does not identify Bolton. Browse other postcodes in Victoria, or widen the search to every Australian postcode.