Home Postcode finder VIC Catumnal Catumnal postcode VIC Catumnal is a locality in Victoria covered by postcode 3537. Postcode 3537 State or territory Victoria (VIC) Region Vic Far Country Add a free Catumnal business listing Be the first listing in Catumnal Common questionsWhat is the postcode for Catumnal?Catumnal, VIC has the postcode 3537.What state is Catumnal in?Catumnal is in Victoria (VIC).Does postcode 3537 cover more than one suburb?Yes. Postcode 3537 covers 9 localities, so the postcode alone does not identify Catumnal. Browse other postcodes in Victoria, or widen the search to every Australian postcode.