eden postcode nswst Home ›› Postcode Finder ›› NSWST ›› Eden Eden local listingsThe suburb of Eden is located in NSW and has a postcode of 2551. Free eden business listing! 1Eden Marine High School9-21 Barclay St 02 649615412Eden Public School124 Imlay St 02 649611693St Joseph's School59-65 Calle Calle St 02 64961682 View more business listings in eden Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.