kirwan postcode qld Home ›› Postcode Finder ›› QLD ›› Kirwan Kirwan local listingsThe suburb of Kirwan is located in QLD and has a postcode of 4817. Free kirwan business listing! 1Kirwan State High SchoolHudson St 07 477381112Ryan Catholic Community School59 Canterbury Rd 07 477301003Kirwan State School21 Burnda St 07 47731266 View more business listings in kirwan Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.