wollongbar postcode nswst Home ›› Postcode Finder ›› NSWST ›› Wollongbar Wollongbar local listingsThe suburb of Wollongbar is located in NSW and has a postcode of 2477. Free wollongbar business listing! 1Wollongbar Public School45 Simpson Ave 02 662813022Oralcare4uPO Box 3013 1800 064 645 View more business listings in wollongbar Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.