trangie postcode nswst Home ›› Postcode Finder ›› NSWST ›› Trangie Trangie local listingsThe suburb of Trangie is located in NSW and has a postcode of 2823. Free trangie business listing! 1Trangie Central School31 Derribong St 02 688875782St John's Primary School97-99 Dandaloo St 02 68887550 View more business listings in trangie Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.