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
Costco Customer Service Phone Number 1-800-774-2678, Email, Help Center You can call the Costco membership customer service phone number at 1-800-774-2678 Alternatively, you may send them an email by visiting the "Contact Us" section on Costco website and selecting the email or live chat option from the "Contact Us" section
Costco Complaints Costco Costco complaints contacts Call Customer Care on 1 (800) 774-2678 Email Customer Care on customerservice@costco com Visit Customer Care Email Address Form Tweet Costco Comments
Costco Customer Service Welcome to the Costco Customer Service page Explore our many helpful self-service options and learn more about popular topics
Call Us - Costco Welcome to Costco Technical and Warranty Services page Explore our many helpful self-service options and learn more about popular topics
Sign In | Costco Need an account? Checkout faster with saved shipping and payment information Not a Costco member? Join Today! Non-members will be assessed a 5% surcharge on orders (surcharge does not apply to pharmacy prescription orders)