Faxing to Australia is mostly about using +61 and dropping the leading 0 from the area code. Below are the exact Sydney/Melbourne examples, plus a few practical sending tips.
+610 from the area code(02) 9123 4567 → +61 2 9123 4567(03) 9123 4567 → +61 3 9123 4567Codes: International Country Codes
0 in area codesYes. When dialing internationally with +61, you typically remove the leading 0 from the area code.
Australia’s country code is +61.
Double-check the number format (especially the leading 0), then retry during Australian business hours if the line is busy.