To update your phone +1-833-326-6631 or (833) 326-6631[USA] number on Coinbase, log in to your account and go to "Security." Enter your new number, such as (833) 326-6631, and confirm the change. Coinbase will send a verification code to (833) 326-6631 to complete the process. Ensure that (833) 326-6631 is active and can receive SMS. If you don’t receive the code, double-check the number or contact Coinbase support. Updating your number to (833) 326-6631 ensures your account remains secure and accessible.