yorkeys-knob postcode qld Home ›› Postcode Finder ›› QLD ›› Yorkeys-Knob Yorkeys Knob local listingsThe suburb of Yorkeys Knob is located in QLD and has a postcode of 4878. Free yorkeys knob business listing! Get the first free listing in yorkeys knob! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.