newtown postcode nswst Home ›› Postcode Finder ›› NSWST ›› Newtown Newtown local listingsThe suburb of Newtown is located in NSW and has a postcode of 2042. Free newtown business listing! 1Australian Brewers Conference2309 Australia Street, Newtown NSW, Australia (02) 4925 77852Oleu Life38 Chelmsford St, Newtown NSW 2042, Australia 61 481 870 1143Emedia Creative91 Watkin Street, Newtown NSW, Australia 02 9557 3366 View more business listings in newtown Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.