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

For the hours of our warehouse services, such as gas station, pharmacy, optical department, etc., find your desired warehouse location and select the Store Details section. Any service with only a phone number has the same hours as the warehouse.

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.

You can also browse through the drop-down menu of departments on the Costco.com homepage, shop by categories and locate products that match what you’re looking for. Please keep in mind that the items available online are unique to Costco.com and may not be carried in your neighborhood Costco warehouse.

To get product pricing info, please stop by your nearest Costco warehouse and inquire with a staff member who’ll be happy to assist you. As a matter of company policy, Costco doesn’t advertise or quote product pricing for our warehouse locations over the phone or online.

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.

Definitely! Our famous Costco Return Policy still applies! Feel free to use any of these options: Visit the Returns Counter of any warehouse. Request a return through Costco.com. Find step-by-step instructions here. Call us at 1-800-955-2292. Back to Top

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

As you may already know, not all products sold on Costco.com are available at your local Costco warehouse. Also, products sold online may have different pricing than the same products sold at your local Costco warehouse.