To activate your Costco membership you must bring your Costco Membership Activation Certificate to any U.S. or Puerto Rico Costco membership counter. Costco Shop Cards will be mailed after you have joined Costco as a new member. Costco Shop Cards are not generated by purchasing a Costco Membership Activation Certificate.
Exclusive Teacher Offer: Join Costco and receive a $30 Costco Shop Card!
Purchase Costco Membership Activation Certificates to join Costco as a new member and receive a $30 Costco Shop Card! Costco Wholesale is dedicated to bringing members the best possible prices on quality brand-name merchandise.
Your Costco Cash Card can be used at any of our warehouses, gas stations, and online at Costco.com.
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