Home Postcode finder NSW Mummulgum Mummulgum postcode NSW Mummulgum is a locality in New South Wales covered by postcode 2469. Postcode 2469 State or territory New South Wales (NSW) Region NSW North Coast Add a free Mummulgum business listing More business listings in Mummulgum Businesses in MummulgumMummulgum Public SchoolBruxner Hwy · 02 66647205 Common questionsWhat is the postcode for Mummulgum?Mummulgum, NSW has the postcode 2469.What state is Mummulgum in?Mummulgum is in New South Wales (NSW).Does postcode 2469 cover more than one suburb?Yes. Postcode 2469 covers 58 localities, so the postcode alone does not identify Mummulgum. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.