You can contact Coinbase support by calling 1-866-374-0921 or visiting help.coinbase.com. 
Phone numbers by region 
  • USA: +1-866-374-0921
  • UK: +1-866-374-0921

You can also visit the Coinbase Support Center for help with issues. 
Scams 
  • The only phone number for Coinbase support is 1-866-374-0921
  • Scammers may ask for your password or two factor authentication codes.
  • Scammers may direct you to download software or go to a website so they can remotely access your computer.
  • Be aware of phone scams where scammers may try to steal your digital currency.