Costco Email Support

Costco Email support is available @ You can use it to solve your general problem like change order, cancel order, return order change etc.

Average reply time: (8 hours)

Why do customers write email to Costco
  • Access Account
  • Billing and Payments.
  • Website Help
  • Order Status
  • Cancel Order
  • Shipping
  • Returns and Exchanges
  • Concierge Tech Support & Warranty
  • Technical support
  • Return & Refund

Contact Costco Customer Service –

Send an email to Costco customer support at

Compose an email that includes all of the important information, such as online order, cancel order, change order, return an order and your contact information. Explain the issue in as much detail as possible and wait for a response from Costco customer service department.

To make process simple, fast and efficient, explain your problem in great details & include any reference or screenshot if you have regarding Costco Customer Support.

As an alternative, you can email Costco customer service at one of the support email addresses given below.

Costco Customer
Technical Support

Costco Customer Email Support

Mailing DepartmentCostco Customer Service
Customer service hoursMon to Fri: 6 am to 6 pm, Sat to Sun: 8 am to 5 pm.
Is Call-back availableNo
Normal response timeWithin 3 Days
Alternate methodsphone, web, chat, help pages
Quality of help91%
Best phone number1-800-774-2678

Contacting Costco – by Email or otherwise

Even though is Costco’s great customer service tool, you will find 9 complete ways of getting in contact with them.

Apart from email, the upcoming favorite alternative for customers searching for assistance is through Phone number support for Costco .

If you feel this information is wrong or know of other ways to get Costco , please let us know so we can discuss with other consumers.

Head Office Address

Corporate Head office address of Costco .

999 Lake Dr, Issaquah, WA 98027

For any general inquiries, please contact Costco head office number : (425) 313-8100

Reference Link


Can I chat with Costco customer service?
Select the Chat Us option on this page. *Hours vary by department. Hours vary by department.

Who is 800 774 2678?
For general questions about your Costco membership, please contact Costco Membership and Warehouse Services by chat or phone at 1-800-774-2678.

How do I speak to a Costco agent?
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 their website and selecting the email or live chat option from the “Contact Us” section.

How do I contact Costco technical support?
Using Costco Concierge is simple—just call 1-866-861-0450.

Hopefully, We helped you to get some genuine contact emails for Costco Customer Service.

More Ways to Contact Costco

All Contacts of Costco
Costco Phone Number
Contact Costco Through Social Media
Costco Customer Service
Help Pages Support
Costco Corporate Office
Costco Hours
Make Complaint to Costco
Login in to Costco

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