lake-st-clair postcode tas Home ›› Postcode Finder ›› TAS ›› Lake-St-Clair Lake St Clair local listingsThe suburb of Lake St Clair is located in TAS and has a postcode of 7140. Free lake st clair business listing! Get the first free listing in lake st clair! Search and find other Postcodes in Tasmania or widen the search to Postcodes in Australia.