Also don’t use your mobile number for common usage in site sign-ups, competitions and similar as many of these feed into the ad and scam circuses. On Government or similar sites it is fine to use your normal number but be very careful to whom you supply it. Also register your mobile number with the Do Not Call Register (DNCR) at https://www.donotcall.gov.au/ and have a look at this following topic on the forum:
Finally as SMSes are not part of the DNCR I recommend you make a Spam complaint to ACMA at their online submission form (if you haven’t done so yet) found at the following address (I know it’s a long one but it was difficult to cut it shorter):
