Home Postcode finder VIC Fairhaven Fairhaven postcode VIC Fairhaven is a locality in Victoria covered by postcode 3231. Postcode 3231 State or territory Victoria (VIC) Region Vic Far Country Add a free Fairhaven business listing Be the first listing in Fairhaven Common questionsWhat is the postcode for Fairhaven?Fairhaven, VIC has the postcode 3231.What state is Fairhaven in?Fairhaven is in Victoria (VIC).Does postcode 3231 cover more than one suburb?Yes. Postcode 3231 covers 5 localities, so the postcode alone does not identify Fairhaven. Browse other postcodes in Victoria, or widen the search to every Australian postcode.