Costco Customer Service Number

Below is best Costco customer service number including the address to send mail and Costco customer service hours you can reach out during usual working hours. Costco customer service address is 999 Lake Dr., Issaquah, WA, USA, 98027. This is the most up-to-date information available for you for Costco corporate office.

What is Costco Customer Service Number?

Costco Customer Service Number is 425-313-8100

For requests, comments, inquiries, or messages, please use the form below (at the end of this page).

Costco customer service number is a part of the state of the art technology available for Costco customers and will enable you to reach out the best rep the fastest possible. When you call Costco customer service number above listen to the message and this will direct you to the right person within the customer service department to handle your problem or issue effectively.

What is Costco Customer Service Address?

Costco Customer Service

999 Lake Dr.


WA 98027


The CoronaVirus is affecting everyone locally, nationwide, and worldwide but this Costco Customer Service Number is still the same as above. Costco Customer Service working hours and opening hours may change according to the local situation and the guidelines of the authorities of the state of WA state. Costco customer service is working according office to the city and state instructions to protect its employees and make sure you get the best service, even in these days.

The Costco customer service number may not be a toll-free phone number (800) and your phone operator may charge you, your normal rates according to your phone contract. This Costco customer service number is available to take care of your call on normal working hours and may change or be closed on public holidays.

16 Personalities Calling Customer Service

There are 16 different personalities calling customer service, make sure you watch this video and be the personality that gets the best customer service assistance to solve the issue you’ve called for.

We always put the customers first and our team is dedicated to get the best Costco customer service number for you to reach out to Costco customer service with your issue or inquiry. Got a secret or new Costco customer service number? please help us by sharing it with us by contacting us on the form below or the contact us option.

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