briarbrook postcode nswst Home ›› Postcode Finder ›› NSWST ›› Briarbrook Briarbrook local listingsThe suburb of Briarbrook is located in NSW and has a postcode of 2365. Free briarbrook business listing! Get the first free listing in briarbrook! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.