wyalong postcode nswst Home ›› Postcode Finder ›› NSWST ›› Wyalong Wyalong local listingsThe suburb of Wyalong is located in NSW and has a postcode of 2671. Free wyalong business listing! 1Wyalong Public School63 George Bland Ave 02 69722140 View more business listings in wyalong Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.