You can find your Costco membership number in the following places: On the back of your membership card. It’s a 12-digit number, and you can leave off any preceding 0s. If you have the Costco Anywhere Visa® Card by Citi, it’s located below the signature line, to …

Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Visit the membership counter at your local Costco warehouse or use the Contact Us options on this page. Provide your membership card and photo ID at the membership counter. They will send you an email containing a link valid for 48 hours. If you don’t see the email, be sure to check your spam or junk folder.

Your membership number is 12 digits long. Membership numbers start with either a 1, 3 or 8 and should be keyed without any preceding zeros.

Though Primary and Household members are on the same membership, each person has a unique membership number. Each member must have a separate Costco.com account to access a Digital Membership Card. Only Business members who also have an additional membership linked to the same account may see multiple membership cards on a single Digital ...

Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Membership and Warehouse 1-800-774-2678. Phone Hours: Mon - Fri: 6am - 6pm PT Sat - Sun: 8am - 5pm PT Chat Hours: Mon - Fri: 6:30am - 5:30pm PT Sat - Sun: 8am - 5pm PT. To speak to any warehouse department, such as the Tire Center or Pharmacy, find and call a Costco near you. View Costco Services for Members

How many people can be on my Costco membership? Body A total of two people can be on a Gold Star Membership (either regular or Executive): one Primary Member and one free household member who is over 16 and lives at the same address.

To cancel a membership, the Primary Member can: Speak with a team member at any warehouse membership counter and receive an immediate refund, or... Call our Member Services Center at 1-800-774-2678

How do I sign up to join Costco and get a new membership? sign up online , or call 1-800-774-2678 to speak with our Member Services over the phone . Does Costco Customer Service offer email support?