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

After becoming a Costco member, you’ll still need to complete a new registration on Costco.com (if you didn’t previously register). Your membership number isn’t linked to your online account until you add …

If your purchase is older than 2 years, please visit the membership counter of your local warehouse with your picture ID, Costco membership number, and the date of your purchase.

For information about our Check Printing Services or a check printing order, please visit their website here. You can also contact Costco Check Printing directly at 1-855-556-5283. Print

Tracking on your order may not show any movement or initial scan for several days. There’s no need to worry! Your order is secure and will move through the carrier’s network soon. You can continue to …

Each item on Costco.com has a unique delivery time frame that you can check both prior to and after ordering. To check the estimated delivery time frame before you order, click into the item. Near the …

The Costco Shop Card cannot be used as a form of payment for Same-day Delivery powered by Instacart orders. If you would like to use a Costco Shop Card to pay for your order, we recommend …

View Costco’s Return Policy. We are committed to providing quality and value on the products we sell with a risk-free 100% satisfaction guarantee on both your membership and merchandise. Limited …

Costco.com purchases: Select the Request a Price Adjustment button below and complete the form. Once approved, credits are typically issued within 5 to 10 business days to the original form of payment.

How do I find Costco member-only savings online? To search for specific Costco member-only savings items online, head over to Costco.com and enter either the product name or item number into the …