springdale-heights postcode nswst Home ›› Postcode Finder ›› NSWST ›› Springdale-Heights Springdale Heights local listingsThe suburb of Springdale Heights is located in NSW and has a postcode of 2641. Free springdale heights business listing! Get the first free listing in springdale heights! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.