Can I have my lost phone, phone calls come to a different number like call forwarding?
Yes, and no. If your carrier has an option from within their online portal that you use to manage your account, then yes. Otherwise it's no. One of my carriers has an option from within their online portal that allows me to forward any line to another number. So if I forget my phone at home, lose it, etc., I can log into my account profile, and forward that particular lines calls to another number. Then when I'm done I log back into the portal and cancel it.
Yes that is possible if your carrier have remote call forwarding on their web page under my account->call management.
If your carrier don't have that option then just contact your service provider and ask for new sim insert it in any device and forward your call to any number as you need