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Position: Post-code.net.au > NSW > Letter N > NEWCASTLE >
Newcastle NSW postcode
Postcode of NEWCASTLE (NSW) is 2300. Below you can find map of NEWCASTLE, or look up other postcodes in New South Wales or other Australian states. If NEWCASTLE's postcode is duplicated, and other places have same postal code number, you can use our postcode searcher by number 2300.
Notice: Postcodes in NSW with range from 1000—1999 (LVRs and PO Boxes only)
Newcastle in New South Wales state on the map:
Weather in NEWCASTLE
Weather.com.au - Newcastle Weather
Newcastle Current Conditions
(Tue, 15 Jul 2025 19:15:00 GMT)
Temperature: 8.4°C
Dew Point: 3.8°C
Relative Humidity: 73%
Wind Speed: 13.0km/h
Wind Gusts: 18.5km/h
Wind Direction: NW
Pressure: 0.0hPa
Rain Since 9AM: 0.4mm
Newcastle Forecast
(Tue, 15 Jul 2025 19:15:00 GMT)
Wednesday:
Sunny. Cool.
7 - 16
Thursday:
Sunny. Cool.
7 - 16
Friday:
Passing Showers. Afternoon Clouds. Cool.
8 - 17