Home Postcode finder VIC Colignan Colignan postcode VIC Colignan is a locality in Victoria covered by postcode 3494. Postcode 3494 State or territory Victoria (VIC) Region Vic Far Country Add a free Colignan business listing Be the first listing in Colignan Common questionsWhat is the postcode for Colignan?Colignan, VIC has the postcode 3494.What state is Colignan in?Colignan is in Victoria (VIC).Does postcode 3494 cover more than one suburb?Yes. Postcode 3494 covers 4 localities, so the postcode alone does not identify Colignan. Browse other postcodes in Victoria, or widen the search to every Australian postcode.