tregear postcode nswst Home ›› Postcode Finder ›› NSWST ›› Tregear Tregear local listingsThe suburb of Tregear is located in NSW and has a postcode of 2770. Free tregear business listing! 1Tregear Public SchoolWilkes Crescent 02 96286301 View more business listings in tregear Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.