I get several of these calls a day on a new mobile number I only started using to Amazon deliveries
Immigrant courier drivers are selling your mobile number to scammers and call centres in their immigrant home country.
Why is nothing done about this?

I have been getting these calls constantly after using a new mobile number I only use for courier delivery's from Amazon
The immigrant courier drivers sell your mobile number to (immigrant country of births) telemarketers
How do we stop this? No one cares.

Telemarketing call
Supposed "free" service to locate lost superannuation

Rung me a few times left no message