1(866)888-6652 is a source of some more Impersonation Fraudsters. Unfortuanately, whoever it is, is routing it through Bandwidth.com. who is the number is registered to. If somebody at Fido / Rogers Fraud Prevention wants to follow this up, please do so.
Thank you for taking the time to share this information. You can also read more about these kinds of fraudulent attempts and how to keep your information safe through the Canadian Anti-Fraud Centre.
If you've confirmed the numbers to be from illegitimate sources, you can usually also block the numbers from your mobile phone's settings.