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Update Account Info

To update your Membership details and/or email address:

  1. If you require assistance amending your membership details please call 01923 830477
  2. If you would like to change the email address associated to your account please email, providing the following details:
  • Costco Membership Number
  • Current email address
  • New email address

To update your marketing preferences:

  1. Choose "My Marketing Preferences" under "My Account."
  2. Select mobile button to turn on/off the option to receive transactional texts
  3. Select email button to turn on/off the option to receive marketing emails about the latest promotions and current savings available online and your local Costco warehouse
  4. Select "Update preferences" to save your new changes