Originally Posted by
greendx
I've received calls from Uber drivers in Paris and Bangkok to my US number. While it's possible that they may have had plans on their phones allowing them to call internationally I think the most likely scenario is that they have a way to call you via the driver uber app with the call being routed like a VOIP call i.e. free for them.
That's good to know. I generally change my number prior to going back and forth.