Assuming your phone is on and online, you should be able to see its location on a map. From there, you can make it ring, lock it, set a lock screen note to tell whoever has it how to get it back to ...
To be clear, these methods don't stop robocalls. They just send them directly to voicemail without ever ringing your phone.
For decades, the phone call has been the backbone of business communication. But too often, those conversations start and end ...