Home Postcode finder NSWDL Six Mile Swamp Six Mile Swamp postcode NSWDL Six Mile Swamp is a locality in New South Wales covered by postcode 2469. Postcode 2469 State or territory New South Wales (NSWDL) Region NSW North Coast Add a free Six Mile Swamp business listing Be the first listing in Six Mile Swamp Common questionsWhat is the postcode for Six Mile Swamp?Six Mile Swamp, NSWDL has the postcode 2469.What state is Six Mile Swamp in?Six Mile Swamp is in New South Wales (NSWDL).Does postcode 2469 cover more than one suburb?Yes. Postcode 2469 covers 58 localities, so the postcode alone does not identify Six Mile Swamp. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.