How can someone in diaspora keep number when if line is missing?

i want to activate and keep my number

I am deeply sorry for your missing line. Kindly contact your bank to prevent an authorized access to your bank account if the line is linked to your bank accounts. Sim swap by...

Y'ello Henry, thank you for stopping by. So sorry about the loss of your Sim. Sorry, Sim swap by proxy is currently not available. You can welcome back your Sim while in...