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  1. Give Us a Call - Costco Customer Service

    Membership and Warehouse 1-800-774-2678 Phone Hours: Mon - Fri: 6am - 6pm PT Sat - Sun: 8am - 5pm PT Chat Hours: Mon - Fri: 6:30am - 5:30pm PT Sat - Sun: 8am - 5pm PT To speak …

  2. Where can I find Costco Services contact information?

    Where can I find Costco Services contact information? You’ll find the phone numbers and information for each of our Costco Services (for your home and business needs) here. Simply …

  3. Contact Us - Costco Customer Service

    Costco Technical & Warranty Services Volume Sales: Export & Domestic Order Status Preventing Fraud Shipping Rebates Recalls & Product Notices Returns and Exchanges Returns Policy …

  4. Kirkland Signature Product Inquiries - Costco Customer Service

    Costco Technical & Warranty Services Volume Sales: Export & Domestic Order Status Preventing Fraud Shipping Rebates Recalls & Product Notices Returns and Exchanges Returns Policy …

  5. What changes can I make to my Costco membership online?

    At that time, one of our employees can assist with updating your information and provide you with a new membership card. If you want to downgrade your Executive Membership or remove a …

  6. Where can I get information about the Auto Rental program?

    You’ll find all the details about the Costco Auto Rental program on the Costco Travel site. Once you’re on the Travel homepage, simply select the "Rental Cars" tab, and you’re in the right place.

  7. Does Costco offer an extended warranty on products?

    We offer our members two ways to extend their warranty on many of the products sold at Costco: Allstate Protection Plans: Purchasing extended warranty coverage through Allstate Protection …

  8. Costco Customer Service

    Costco Technical & Warranty Services Volume Sales: Export & Domestic Order Status Preventing Fraud Shipping Rebates Recalls & Product Notices Returns and Exchanges Returns Policy …

  9. Does Costco.com ship internationally?

    Currently, products on Costco.com are available for U.S. delivery only. We do offer shipping to Canada. You’ll find those items at our Canadian website: www.costco.ca. Our Canadian …

  10. Find Answers - Costco Customer Service

    You’ll find a list of eligible items What is Costco’s major appliance return policy? Cooktops Over-the-Range Microwaves In addition, we extend the manufacturer’s warranty on Major …