boronia-park postcode nswst Home ›› Postcode Finder ›› NSWST ›› Boronia-Park Boronia Park local listingsThe suburb of Boronia Park is located in NSW and has a postcode of 2111. Free boronia park business listing! Get the first free listing in boronia park! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.