Home Postcode finder NSW Gymea Bay Gymea Bay postcode NSW Gymea Bay is a locality in New South Wales covered by postcode 2227. Postcode 2227 State or territory New South Wales (NSW) Region Illawarra Add a free Gymea Bay business listing More business listings in Gymea Bay Businesses in Gymea BayDamien Ford Photography42 Marina Crescent, Gymea Bay NSW 2227, Australia · 0419430918Gymea Bay Public SchoolGymea Bay Rd · 02 95246852 Common questionsWhat is the postcode for Gymea Bay?Gymea Bay, NSW has the postcode 2227.What state is Gymea Bay in?Gymea Bay is in New South Wales (NSW).Does postcode 2227 cover more than one suburb?Yes. Postcode 2227 covers 2 localities, so the postcode alone does not identify Gymea Bay. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.