dundas postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Dundas Dundas local listingsThe suburb of Dundas is located in NSW and has a postcode of 2117. Free dundas business listing! 1St Patrick's Marist College151 Kirby St 02 963856442Dundas Public School85 Kissing Point Rd 02 963828133Oatlands Public SchoolEast Belmore St 02 96303486 View more business listings in dundas Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.