rossmore postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Rossmore Rossmore local listingsThe suburb of Rossmore is located in NSW and has a postcode of 2557. Free rossmore business listing! 1Nutek Mechanical770 Bringelly Road, Rossmore NSW, Australia 02 960677202Wisdom Plumbing5 Wynyard Avenue 04249393923Sayf Towing - Tow Truck Service Sydney23 Rossmore Avenue West 0457 613 311 View more business listings in rossmore Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.