https://zencleanz.com/community/xenforum/topic/162887/how-to-change-contact-number-in-coinbase-account-helplinenumber1-833-326-6631
Need Help? Call anytime at +1-833- 326-6631 for assistance. To update your phone number in Coinbase, head to your Settings section and select Security. +1-833- 326-6631 Under the Security tab, you’ll find the option to update your phone number.
