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

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

Once an item has sold out, it’s automatically removed from Costco.com, or you’ll see the "Out of Stock" banner added to the product page. Items are also continually added to Costco.com, re-stocking existing merchandise as well as expanding what we offer. That’s why we encourage our members to check back with our site frequently.

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 membership card. You’re now ready to start shopping! Note: Maintaining an active Costco membership doesn’t automatically register you on Costco.com.

Some membership changes that require a transaction cannot be made on Costco.com or by Live Chat - see below for information on how to make your requested changes. How do I check warehouse inventory? To use our customer service page instead, follow these steps: Select Chat Us in the lower right corner of the page

Costco Grocery Delivery: Costco grocery delivery is only available in select markets and is only available to Costco Members. Orders are limited to one address per delivery. Costco grocery delivery is available via two options: 2-Day Delivery of non-perishable items. Items marked 2-Day Delivery are subject to a $3 delivery surcharge per item.

At Costco Optical, our staff consists of highly trained professionals who are well-respected in the industry. That’s because we believe our members deserve the best possible care—so we strive to provide it. To learn more about Costco Optical products and services, please visit our dedicated site here. You can even purchase contacts online ...

Valid at all Costco locations worldwide; Annual 2% Reward on qualified Costco purchases (terms and conditions apply) Additional benefits and greater savings on Costco Services; Extra benefits on select Costco Travel products; Business Membership: $65.00 Annual membership fee* Includes a free Household Card; Add Affiliate Cardholders for $65 each*

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: Select Chat Us in the lower right corner of the page; Enter your first name, last name, and email address; Enter a message that includes the word “inventory” in the “Your Message ...