Home Postcode finder VIC Carngham Carngham postcode VIC Carngham is a locality in Victoria covered by postcode 3351. Postcode 3351 State or territory Victoria (VIC) Region Vic Country Add a free Carngham business listing Be the first listing in Carngham Common questionsWhat is the postcode for Carngham?Carngham, VIC has the postcode 3351.What state is Carngham in?Carngham is in Victoria (VIC).Does postcode 3351 cover more than one suburb?Yes. Postcode 3351 covers 27 localities, so the postcode alone does not identify Carngham. Browse other postcodes in Victoria, or widen the search to every Australian postcode.