If you face issues during the update process or need clarification, don't hesitate to contact Coinbase at 1-833-590-0301 . The support team is always ready to assist you with any questions or concerns regarding your phone number updateIf you experience issues or need more help, contact Coinbase support at 1-833-590-0301 . They are available to assist you in resolving any problems with changing your phone number on Coinbase