towallum postcode nswst Home ›› Postcode Finder ›› NSWST ›› Towallum Towallum local listingsThe suburb of Towallum is located in NSW and has a postcode of 2460. Free towallum business listing! Get the first free listing in towallum! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.