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

To view products on Costco.com, either type what you’re looking for into the Search box, or mouse over "Shop" to view our different categories. Simply click on the name or picture of an …

To search for a product online at Costco.com, enter a keyword or an item number into the search engine at the top. If the item you’re seeking is in stock and available for purchase, your search …

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

If you’re a new Costco.com member, select Create Account, then enter your email address and your choice of password. If you’re a member, enter the membership number found on your …

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

Electronics: Costco will accept returns within 90 days (from the date the member received the merchandise) for Televisions, Projectors, Major Appliances (refrigerators above 10 cu. ft., …

You can use the Costco App to check warehouse inventory. Head to our mobile app page to learn more!. To use our customer service page instead, follow these steps:

Visit the membership counter at your local Costco in person. Call your local warehouse and choose the phone menu option for Membership.

Each Costco.com shopper will need to register their online shopping account in their own name. If you’ve never registered with Costco.com before, you’ll need to create an account. Don’t …