How Can I Make Changes to My Membership Account?

As long as you are the Primary Member or Account Manager, your membership can be adjusted a couple ways:

  • To adjust your membership online, simply sign in here and head on over to Account Details.  
  • Contact our Member Service team by using the "Contact Us" section on the left of this page.

Of course, you can always visit Costco in person at your local warehouse and a member of our team will be happy to assist you.

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    The U.S. warehouses are closed on the following holidays:  New Year’s Day Easter Memorial Day Independence Day Labor Day Thanksgiving Christmas

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    Prescription drug pricing is easy to access on the website. Just visit Costco.com and select Pharmacy near the top of the page. Then, simply type in the prescription drug's name into the "Search Medications" field.  You'll see the name of the medication. Click on it and yo…

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  • How Can I Find If an Item is Available At My Local Costco?

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