tanja postcode nswst Home ›› Postcode Finder ›› NSWST ›› Tanja Tanja local listingsThe suburb of Tanja is located in NSW and has a postcode of 2550. Free tanja business listing! 1Tanja Public SchoolBarrabooka Rd 02 64940122 View more business listings in tanja Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.