gwandalan postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Gwandalan Gwandalan local listingsThe suburb of Gwandalan is located in NSW and has a postcode of 2259. Free gwandalan business listing! 1Gwandalan Public SchoolKanangra Drive 02 497613182Trajan ServicesUlooloo Rd 04023362143Road Side 4 SaleUlooloo Rd 0402 336 214 View more business listings in gwandalan Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.