Change phone number error

Hi, Same here... my phone number is valid.

"When you are setting up your account, we recommend you use a phone number where you can be contacted within the next few minutes to complete account sign-up."

Sorry, not sure what it means

Hello,

When you are setting up your account, we recommend you use a phone number where you can be contacted within the next few minutes to complete account sign-up.

For more information, visit What should I do if I didn't receive a call from AWS to verify my new account or the PIN I entered doesn't work?.