Home Postcodes by state NSW Newcastle Newcastle postcode NSW Newcastle is a locality in New South Wales covered by postcode 2300. Postcode 2300 State or territory New South Wales (NSW) Region Hunter Council area Newcastle Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Newcastle business listing More business listings in Newcastle Suburbs near NewcastleStraight-line distance between locality centres.IslingtonNSW 2296 · 0.1 kmHamiltonNSW 2303 · 0.6 kmMaryvilleNSW 2293 · 0.9 kmHamilton EastNSW 2303 · 1.0 kmTighes HillNSW 2297 · 1.1 kmWickhamNSW 2293 · 1.1 kmNewcastle WestNSW 2302 · 1.1 kmHamilton NorthNSW 2292 · 1.4 kmCarringtonNSW 2294 · 1.6 kmHamilton SouthNSW 2303 · 1.7 kmGeorgetownNSW 2298 · 2.1 kmBroadmeadowNSW 2292 · 2.1 kmDistances to every suburb around Newcastle Businesses in Newcastle4WD Supacentre - NewcastleShop 2, 2364 Pacific Highway, Heatherbrae, Newcastle, New South Wales, 2324 · 1800 88 39 64Affinity Accounting & Advisorysuite 1 level 1/1 Honeysuckle Drive, Newcastle NSW, Australia · +61 2 4092 1000AI Insurance Newcastle · 1300 00 33 03 Also in postcode 2300Bar BeachNSW 2300Cooks HillNSW 2300Newcastle EastNSW 2300The HillNSW 2300 Common questionsWhat is the postcode for Newcastle?Newcastle, NSW has the postcode 2300.What state is Newcastle in?Newcastle is in New South Wales (NSW).What council is Newcastle in?Newcastle is in the Newcastle local government area.Does postcode 2300 cover more than one suburb?Yes. Postcode 2300 covers 5 localities, so the postcode alone does not identify Newcastle.What suburbs are near Newcastle?The closest are Islington (0.1 km), Hamilton (0.6 km), Maryville (0.9 km), Hamilton East (1.0 km) and Tighes Hill (1.1 km). Distances are straight lines between locality centres. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.