Customer Service Phone Number
Membership Auto-Renewal
How can we help you? Contact AT&T by phone or live chat to order new service, track orders, and get customer service, billing and tech support. Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.
Price Adjustment
Customer Service Representative
Verify Membership
Edit Shipping Address
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Did that gift you ordered last week or the kayak you treated yourself to just go on sale? Costco.com will gladly issue a credit for the difference between the price you paid and the promotional price, with some limitations.
Costco Logistics offers in-home delivery and installation services for many large items sold on Costco.com. Check out this information for answers to frequently asked questions.