Home Postcode finder NSW Eden Eden postcode NSW Eden is a locality in New South Wales covered by postcode 2551. Postcode 2551 State or territory New South Wales (NSW) Region NSW Country West Add a free Eden business listing More business listings in Eden Businesses in EdenEden Marine High School9-21 Barclay St · 02 64961541Eden Public School124 Imlay St · 02 64961169St Joseph's School59-65 Calle Calle St · 02 64961682 Common questionsWhat is the postcode for Eden?Eden, NSW has the postcode 2551.What state is Eden in?Eden is in New South Wales (NSW).Does postcode 2551 cover more than one suburb?Yes. Postcode 2551 covers 14 localities, so the postcode alone does not identify Eden. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.