Home Postcodes by state NSW Chatham Chatham postcode NSW Chatham is a locality in New South Wales covered by postcode 2430. Postcode 2430 State or territory New South Wales (NSW) Region Hunter Add a free Chatham business listing Be the first listing in Chatham Also in postcode 2430Black HeadNSW 2430BohnockNSW 2430BootawaNSW 2430BrimbinNSW 2430Cabbage Tree IslandNSW 2430CrokiNSW 2430CundletownNSW 2430Diamond BeachNSW 2430Dumaresq IslandNSW 2430FailfordNSW 2430Ghinni GhinniNSW 2430GlenthorneNSW 2430Hallidays PointNSW 2430HillvilleNSW 2430Jones IslandNSW 2430KiwarrakNSW 2430KoorainghatNSW 2430Kundle KundleNSW 2430LansdowneNSW 2430Lansdowne ForestNSW 2430Manning PointNSW 2430MelingaNSW 2430Mitchells IslandNSW 2430MondrookNSW 2430Old BarNSW 2430Oxley IslandNSW 2430PampoolahNSW 2430Possum BrushNSW 2430PurfleetNSW 2430Rainbow FlatNSW 2430And 8 more localities. Common questionsWhat is the postcode for Chatham?Chatham, NSW has the postcode 2430.What state is Chatham in?Chatham is in New South Wales (NSW).Does postcode 2430 cover more than one suburb?Yes. Postcode 2430 covers 39 localities, so the postcode alone does not identify Chatham. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.