south-west-rocks postcode nsw Home ›› Postcode Finder ›› NSW ›› South-West-Rocks South West Rocks local listingsThe suburb of South West Rocks is located in NSW and has a postcode of 2431. Free south west rocks business listing! Get the first free listing in south west rocks! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.