Lost iPhone
how can I get a number that has been placed in my lost phone with iCloud id ****
[Edited by Moderator]
iPhone XS
If it is in your Contacts list, log into your account on iCLoud.com and view it in the Contacts app there.
Incidentally, this document has a list of things to do if your iPhone, iPad, or iPod touch is lost or stolen. --> If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support