wyndham postcode nswst Home ›› Postcode Finder ›› NSWST ›› Wyndham Wyndham local listingsThe suburb of Wyndham is located in NSW and has a postcode of 2550. Free wyndham business listing! 1Wyndham Public SchoolMonaro St 02 64942128 View more business listings in wyndham Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.