Home Postcode finder NSW Tennyson Tennyson postcode NSW Tennyson is a locality in New South Wales covered by postcode 2754. Postcode 2754 State or territory New South Wales (NSW) Region Nepean Add a free Tennyson business listing More business listings in Tennyson Businesses in TennysonP&S Gatt Pvt Ltd252 Tennyson Rd, Tennyson NSW 2754, Australia · 02 4576 5735 Common questionsWhat is the postcode for Tennyson?Tennyson, NSW has the postcode 2754.What state is Tennyson in?Tennyson is in New South Wales (NSW).Does postcode 2754 cover more than one suburb?Yes. Postcode 2754 covers 3 localities, so the postcode alone does not identify Tennyson. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.