oatley postcode nswst Home ›› Postcode Finder ›› NSWST ›› Oatley Oatley local listingsThe suburb of Oatley is located in NSW and has a postcode of 2223. Free oatley business listing! 1Georges River College1 Samuel St 02 951374952Georges River College1 Kenwyn St 02 958731993Georges River College2 Austral St 02 95803614 View more business listings in oatley Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.