Home Postcode finder VIC Longlea Longlea postcode VIC Longlea is a locality in Victoria covered by postcode 3551. Postcode 3551 State or territory Victoria (VIC) Region Vic Country Add a free Longlea business listing Be the first listing in Longlea Common questionsWhat is the postcode for Longlea?Longlea, VIC has the postcode 3551.What state is Longlea in?Longlea is in Victoria (VIC).Does postcode 3551 cover more than one suburb?Yes. Postcode 3551 covers 37 localities, so the postcode alone does not identify Longlea. Browse other postcodes in Victoria, or widen the search to every Australian postcode.