wyong postcode nsw Home ›› Postcode Finder ›› NSW ›› Wyong Wyong local listingsThe suburb of Wyong is located in NSW and has a postcode of 2259. Free wyong business listing! 1Hopetown School117 Pollock Ave 02 435325222Wyong High School53 Alison Rd 02 435310883Wyong Christian Community School22 Alison Rd 02 43512020 View more business listings in wyong Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.