Home Postcode finder VIC Longwood East Longwood East postcode VIC Longwood East is a locality in Victoria covered by postcode 3666. Postcode 3666 State or territory Victoria (VIC) Region Vic Far Country Add a free Longwood East business listing Be the first listing in Longwood East Common questionsWhat is the postcode for Longwood East?Longwood East, VIC has the postcode 3666.What state is Longwood East in?Longwood East is in Victoria (VIC).Does postcode 3666 cover more than one suburb?Yes. Postcode 3666 covers 16 localities, so the postcode alone does not identify Longwood East. Browse other postcodes in Victoria, or widen the search to every Australian postcode.