Hi sawon0007,
Thank you for your post and welcome to our Community Help Forum!
I am sorry about your issue. As soon as you've added your number to your PayPal account we'll send you a text message with a confirmation code. Enter the code in your PayPal account to confirm your number. If you did not received it, remove your phone number and try again. If this does not work, please contact us by clicking 'Help & Contact' at the bottom of the PayPal homepage so that we can look into this further.
I hope this helps.
Cristina
