Home Postcode finder VIC Sidonia Sidonia postcode VIC Sidonia is a locality in Victoria covered by postcode 3444. Postcode 3444 State or territory Victoria (VIC) Region Vic Far Country Add a free Sidonia business listing Be the first listing in Sidonia Common questionsWhat is the postcode for Sidonia?Sidonia, VIC has the postcode 3444.What state is Sidonia in?Sidonia is in Victoria (VIC).Does postcode 3444 cover more than one suburb?Yes. Postcode 3444 covers 21 localities, so the postcode alone does not identify Sidonia. Browse other postcodes in Victoria, or widen the search to every Australian postcode.