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  1. Give Us a Call - Costco Customer Service

    To speak to any warehouse department, such as the Tire Center or Pharmacy, find and call a Costco near you. View Costco Services for Members Costco Business Center Orders 1-800 …

  2. What is a Business Membership? - Costco Customer Service

    Business Memberships allow you to purchase products for business, personal, and resale use at any Costco Wholesale location worldwide and online at Costco.com. One additional card is …

  3. Find a Warehouse - Costco Customer Service

    Find your nearest Costco warehouse location and explore helpful self-service options for customer support.

  4. Contact Us - Costco Customer Service

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

  5. Tire Center FAQs - Costco Customer Service

    The Costco Tire Center offers several installation and maintenance services to get our members on the road, including rotation, balance, nitrogen inflation, nitrogen conversion, and flat repair.

  6. How can I add additional members to my Business Membership?

    Once your membership has been verified, select the Business Details section to manage your additional cardholders. Visit the membership counter at any Costco warehouse.

  7. 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 …

  8. Can I purchase for resale or tax exempt at a Costco warehouse?

    Costco Business Members may be exempt from tax on warehouse purchases based upon their resale licenses or tax exempt status. However, qualifications may vary, depending upon your …

  9. Why am I experiencing site errors? - Costco Customer Service

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

  10. How can I renew my Costco membership? - Costco Customer Service

    You’re always welcome to renew your membership in person—simply do so while you’re checking out at a Costco location, it’s that simple! If you prefer a phone call, the number is 1-800-774 …