eureka postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Eureka Eureka local listingsThe suburb of Eureka is located in NSW and has a postcode of 2480. Free eureka business listing! 1Eureka Public SchoolLismore Rd 02 66884272 View more business listings in eureka Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.