Home Postcode finder VIC Allendale Allendale postcode VIC Allendale is a locality in Victoria covered by postcode 3364. Postcode 3364 State or territory Victoria (VIC) Region Vic Far Country Add a free Allendale business listing Be the first listing in Allendale Common questionsWhat is the postcode for Allendale?Allendale, VIC has the postcode 3364.What state is Allendale in?Allendale is in Victoria (VIC).Does postcode 3364 cover more than one suburb?Yes. Postcode 3364 covers 23 localities, so the postcode alone does not identify Allendale. Browse other postcodes in Victoria, or widen the search to every Australian postcode.