Home Postcodes by state NSW Killingworth Killingworth postcode NSW Killingworth is a locality in New South Wales covered by postcode 2278. Postcode 2278 State or territory New South Wales (NSW) Region Hunter Council area Lake Macquarie Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Killingworth business listing Be the first listing in Killingworth Suburbs near KillingworthStraight-line distance between locality centres.BarnsleyNSW 2278 · 2.5 kmHolmesvilleNSW 2286 · 3.0 kmWakefieldNSW 2278 · 3.7 kmWest WallsendNSW 2286 · 4.1 kmCameron ParkNSW 2285 · 4.9 kmTeralbaNSW 2284 · 5.3 kmSeahamptonNSW 2286 · 5.5 kmFassifernNSW 2283 · 6.0 kmEdgeworthNSW 2285 · 6.1 kmBoolarooNSW 2284 · 6.3 kmBooragulNSW 2284 · 6.4 kmArgentonNSW 2284 · 6.5 kmDistances to every suburb around Killingworth Also in postcode 2278BarnsleyNSW 2278WakefieldNSW 2278 Other places called KillingworthKillingworthVIC 3717 Common questionsWhat is the postcode for Killingworth?Killingworth, NSW has the postcode 2278.What state is Killingworth in?Killingworth is in New South Wales (NSW).What council is Killingworth in?Killingworth is in the Lake Macquarie local government area.Does postcode 2278 cover more than one suburb?Yes. Postcode 2278 covers 3 localities, so the postcode alone does not identify Killingworth.What suburbs are near Killingworth?The closest are Barnsley (2.5 km), Holmesville (3.0 km), Wakefield (3.7 km), West Wallsend (4.1 km) and Cameron Park (4.9 km). Distances are straight lines between locality centres. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.