Home Postcode finder NSWDL Fingal Bay Fingal Bay postcode NSWDL Fingal Bay is a locality in New South Wales covered by postcode 2315. Postcode 2315 State or territory New South Wales (NSWDL) Region Hunter Add a free Fingal Bay business listing Be the first listing in Fingal Bay Common questionsWhat is the postcode for Fingal Bay?Fingal Bay, NSWDL has the postcode 2315.What state is Fingal Bay in?Fingal Bay is in New South Wales (NSWDL).Does postcode 2315 cover more than one suburb?Yes. Postcode 2315 covers 4 localities, so the postcode alone does not identify Fingal Bay. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.