Does Costco Customer Service offer email support?

Costco does not offer email support. In order to provide real-time assistance to our members, we currently offer live chat and phone support. You’ll find these options under the “Contact Us” section on the left of this page.

  • Select Live Chat to reach a member of our chat support team. We are available during the following times:
    • Monday to Friday, 5am to 10pm PT
    • Saturday to Sunday, 6am to 6pm PT
  • *For your security, we are unable to process any membership fee credit card transactions via chat.
  • If you prefer to speak with us over the phone, select Call Us to find our phone numbers and operating hours.
  • If you'd like to leave us some feedback, head here.

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