Home Postcode finder VIC Cullen Cullen postcode VIC Cullen is a locality in Victoria covered by postcode 3568. Postcode 3568 State or territory Victoria (VIC) Region Vic Far Country Add a free Cullen business listing Be the first listing in Cullen Common questionsWhat is the postcode for Cullen?Cullen, VIC has the postcode 3568.What state is Cullen in?Cullen is in Victoria (VIC).Does postcode 3568 cover more than one suburb?Yes. Postcode 3568 covers 11 localities, so the postcode alone does not identify Cullen. Browse other postcodes in Victoria, or widen the search to every Australian postcode.