elphinstone postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Elphinstone Elphinstone local listingsThe suburb of Elphinstone is located in QLD and has a postcode of 4742. Free elphinstone business listing! Get the first free listing in elphinstone! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.