received an SMS message from this number claiming to be an NAB Bank Alert saying my internet banking has been blocked. I don't even bank with them

Received a call from this number claiming to be from the ATO and to speak with them otherwise I would get arrested.

I received a text message from this number yesterday (23/9/19) claiming to be iTunes. They said my account had been blocked and wanted me to click on the link to confirm my account details

Caller: SMS

Beware of FRAUD. I received an SMS message from this number claiming that they detected a potential issue and blocked my Apple ID and gave me a link to a website to confirm my account. I didn't click on the link of course and signed in as usual on my PC browser and there was no issues at all.

Received SMS from this number saying my iTunes account has a potential issue and my Apple ID will be blocked with a link to confirm my account details - I don't have an Apple device

Text message from 'iTunes' saying due to a billing issue my Apple ID is blocked and has a link to confirm account details. Did not click on link but seems like a scam.

Received a message from this number and tell you about you Apple ID is at risk.

Received an SMS from this number claiming "we have detected a potential issue and blocked your apple id"

Claimed to be iTunes saying to log on to Apple

Caller: 0416 648 611

I too received a message saying my internet banking had been blocked and to click on a (dodgy) link to confirm my device. I don't bank with NAB - clearly a scam. Why can't telcos block these numbers?