kilcummin postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Kilcummin Kilcummin local listingsThe suburb of Kilcummin is located in QLD and has a postcode of 4721. Free kilcummin business listing! Get the first free listing in kilcummin! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.