I didn’t know this until recently, but there is a national do-not-call list you can register your canadian phone number to through the government of Canada:
Additionally, if you’re already a customer with the company calling or have been within a year, they are allowed to call you; HOWEVER,
Next time a company – like rogers for example – incessantly calls you, ask them to add you to their internal do-not-call list, and enjoy your peace knowing that if they call you again, you can report them to the government of Canada. They face possible financial repercussions if this happens.
I know this is a bit technical, but it’s worked perfectly for me
Get a phone number in a very rural area there where you know absolutely nobody. Like the middle of Montana. Block all phone calls from numbers from the same area code. This kills 99.9% of spam callers. It can be done with twilio cheaply