Home Postcode finder NSW Weedallion Weedallion postcode NSW Weedallion is a locality in New South Wales covered by postcode 2594. Postcode 2594 State or territory New South Wales (NSW) Region Canberra Add a free Weedallion business listing Be the first listing in Weedallion Common questionsWhat is the postcode for Weedallion?Weedallion, NSW has the postcode 2594.What state is Weedallion in?Weedallion is in New South Wales (NSW).Does postcode 2594 cover more than one suburb?Yes. Postcode 2594 covers 13 localities, so the postcode alone does not identify Weedallion. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.