Home Postcode finder TAS Geilston Bay Geilston Bay postcode TAS Geilston Bay is a locality in Tasmania covered by postcode 7015. Postcode 7015 State or territory Tasmania (TAS) Region Tasmania Add a free Geilston Bay business listing More business listings in Geilston Bay Businesses in Geilston BayGeilston Bay High School271 East Derwent Hwy · 03 62348633Seabrook Christian School7 Golf Links Rd · 03 62436113 Common questionsWhat is the postcode for Geilston Bay?Geilston Bay, TAS has the postcode 7015.What state is Geilston Bay in?Geilston Bay is in Tasmania (TAS).Does postcode 7015 cover more than one suburb?Yes. Postcode 7015 covers 3 localities, so the postcode alone does not identify Geilston Bay. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.