Activating your American Express credit card can be done online or over the phone. Both options are safe and secure.

Here’s how to activate your American Express credit card:

  • Online: Log into your online account on American Express activation page, verify your card numbers as well as other personal information to activate your card.
  • By phone: Call American Express at 1-800-276-9939. Say or enter your credit card number. Enter your personal information for verification when prompted (e.g. your SSN, zip code or the phone number associated with your application).

Once your American Express credit card is activated, you’ll be able to make purchases right away. If you’re having any issues activating your credit card American Express’s customer service is always waiting to help you. Their number is 1-800-732-9194.