Caller: Credit Card security

Recorded message telling me I had an Amazon payment made on my credit card of $14.95 and another large amount. Please press 1 to speak to accounts department. Called at 5:30am.

Recording saying an Urgent message from Telstra about cutting off the phone, pick 1 for English a 2 for Chinese

Obvious scam call, said they were Telstra and my service was going to be shut down, but kept offering to tell me in Chinese. Press 2 for Chinese. Would you prefer Chinese? Do you speak Chinese?

say that my service is going to runout in two hours with optus but im not with them