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! 1LBD Marketing3 Amy Close, Wyong NSW 2259, Australia 02891562292The Scrub Store14/11 Donaldson Street, Wyong NSW, Australia 1800 639 6113Solar Water Wind Newcastle45 Amsterdam Circuit, Wyong NSW, Australia (02) 4089 4664 View more business listings in wyong Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.