Postcode 7018 This postcode covers more than one locality. Which one are you after? Howrah Tasmania LGA: Clarence Bellerive Tasmania LGA: Clarence Montagu Bay Tasmania LGA: Clarence Mornington (Tas.) Tasmania LGA: Clarence Rosny Tasmania LGA: Clarence Rosny Park Tasmania LGA: Clarence Tranmere (Tas.) Tasmania LGA: Clarence Warrane Tasmania LGA: Clarence