tallong postcode nswdl Home ›› Postcode Finder ›› NSWDL ›› Tallong Tallong local listingsThe suburb of Tallong is located in NSW and has a postcode of 2579. Free tallong business listing! 1Tallong Public SchoolOld Marulan Rd 02 48410292 View more business listings in tallong Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.