dirnbir postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Dirnbir Dirnbir local listingsThe suburb of Dirnbir is located in QLD and has a postcode of 4625. Free dirnbir business listing! Get the first free listing in dirnbir! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.