Home Postcode finder NSW Towamba Towamba postcode NSW Towamba is a locality in New South Wales covered by postcode 2550. Postcode 2550 State or territory New South Wales (NSW) Region NSW Country West Add a free Towamba business listing More business listings in Towamba Businesses in TowambaTowamba Public SchoolTowamba St · 02 64967159 Common questionsWhat is the postcode for Towamba?Towamba, NSW has the postcode 2550.What state is Towamba in?Towamba is in New South Wales (NSW).Does postcode 2550 cover more than one suburb?Yes. Postcode 2550 covers 52 localities, so the postcode alone does not identify Towamba. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.