How to Reach Costco Customer Service

You can reach Costco customer service by dialing their 800 support number which is 1-800-220-6000. Live customer service is available via this number M-F 10:00am - 8:30pm., Sat. 9:30am - 6:00pm., Sun. 10:00am - 6:00pm...

You can also contact the company headquarters via 1-425-313-8100. Please note that this is not a customer support 800 number but a phone number form Costco corporate office.

Costco Customer Service on Social Networks

You can also reach Costco customer service via social networks. You can reach Costco Facebook page at https://www.facebook.com/Costco or via Costco Twitter page at https://twitter.com/costco.

Costco Brief History

Costco was founded in 1976. Its first headquarters were located in , USA.

Costco Customer Service Options

Costco Online Customer Service and Other Useful Links

Costco Phone Numbers

    For customer service dial 1-800-220-6000. Via this number you can reach Costco support department. For other departments see table below:

  • Call Costco 800 number via 1-800-220-6000
  • Call Costco 800 number via 1-425-313-8100

Costco Customer Service Working Hours

You can call Costco customer service and reach live customer service agent during following working hours: M-F 10:00am - 8:30pm., Sat. 9:30am - 6:00pm., Sun. 10:00am - 6:00pm.. Call center phone number is 1-800-220-6000.

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