whitemark postcode tasst Home ›› Postcode Finder ›› TASST ›› Whitemark Whitemark local listingsThe suburb of Whitemark is located in TAS and has a postcode of 7255. Free whitemark business listing! 1Flinders Island District High School121 Thule Rd 03 63592021 View more business listings in whitemark Search and find other Postcodes in Tasmania or widen the search to Postcodes in Australia.