What is Number phone 8502203366 And 212005200?

I have a question is Phone Number 8502203366 And 212005200.
– Who is the owner of the phone number.. Why do they call me constantly at 2021-11-24 16:45:47

Can someone tell me what to do with 8502203366 And 212005200 ?

Thank you very much, my friends.
Recent, Discussion at 2021-11-24 16:45:47 by User : How to block spam calls on Android Mobile