gum-scrub postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Gum-Scrub Gum Scrub local listingsThe suburb of Gum Scrub is located in NSW and has a postcode of 2441. Free gum scrub business listing! Get the first free listing in gum scrub! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.