dudley postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Dudley Dudley local listingsThe suburb of Dudley is located in NSW and has a postcode of 2290. Free dudley business listing! 1Dudley Public School124 Ocean St 02 49447203 View more business listings in dudley Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.