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 …

The great thing about shopping on Costco.com is that everything you see reflects our live, real-time and up-to-date inventory. The flip side is that the items on offer, including promotional …

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.

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

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 …

If your membership is expired or inactive, you can renew online within 90 days after the date of expiration, or any time in person or by phone. Finally, if you need to shop at a Costco …

Make the most of your membership and download the Costco Mobile App today, and start enjoying the convenience of shopping at Costco.com, anywhere, anytime! Benefits: Shop …

We offer two convenient options to return an online purchase: Return to Warehouse: For an immediate refund, including shipping and handling fees, return your purchase to any Costco …