How to find my costco membership number

Your Costco membership number can be found on your membership card, in your email confirmation, or by signing into your Costco account online.
If you can’t find your membership card, check your email for the confirmation message you received when you first signed up.
You can also log into your Costco account on their website or app. Once logged in, your membership details should be readily available.
If you’re still having trouble, consider calling Costco’s customer service for assistance. They can help you retrieve your membership number after verifying your identity.
Lost cards happen, but thankfully, there are multiple ways to access your membership info.

Where can I find my Costco membership card?

Your Costco membership card is usually mailed to you after you sign up. If you’ve lost it, you can request a replacement at your local Costco or through your online account.

Can I use my Costco membership number without the card?

Yes, you can use your membership number for online orders or at the register if you can provide it verbally. Having your card is convenient but not strictly necessary.

What should I do if I forgot my Costco membership number?

If you’ve forgotten your number, try checking your email for the initial confirmation or sign in to your online account for access to your membership details.

Can I access my Costco membership number through the Costco app?

Yes, if you have the Costco app, you can log in and view your membership details, including your membership number.

Is there a fee to replace a lost Costco membership card?

No, Costco does not charge a fee for replacing a lost membership card. You can get a replacement at any Costco location.

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