edmondson-park postcode nswst Home ›› Postcode Finder ›› NSWST ›› Edmondson-Park Edmondson Park local listingsThe suburb of Edmondson Park is located in NSW and has a postcode of 2174. Free edmondson park business listing! Get the first free listing in edmondson park! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.