clifton-grove postcode nswst Home ›› Postcode Finder ›› NSWST ›› Clifton-Grove Clifton Grove local listingsThe suburb of Clifton Grove is located in NSW and has a postcode of 2800. Free clifton grove business listing! Get the first free listing in clifton grove! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.