Customer Service


The best ways to get in touch with All the best ways to contact customer service: Phone, chat, email, Facebook, Twitter and more.

Ways to Contact Customer Service:

Advertisements Customer Service – Phone customer service call center phone number: 866-861-0450.

Operating hours: Monday-Sunday: 5am-10pm PT.


Additional phone numbers: Online Orders: 800-955-2292 – Monday-Friday: 5am-8pm PT, Saturday-Sunday: 5am-6pm PT
Membership and Warehouse: 800-774-2678 – Monday-Friday: 6am-6pm PT, Saturday-Sunday: 8am-5pm PT
Costco Business Center Orders: 800-788-9968 – Monday-Friday: 6am-5pm PT
Costco Concierge Services Technical Support: 866-861-0450 – Monday-Sunday: 5am-10pm PT
Costco Home Improvement Installed Products: 844-765-0251 – Monday-Friday: 5am-7pm PT, Saturday-Sunday: 7am-5pm PT Pharmacy: 800-607-6861 – Monday-Friday: 5am-7pm PT, Saturday: 9:30am-2pm PT
Costco Photo Center: 855-620-7579 – Monday-Sunday: 6am-8pm PT
Costco Travel: 877-849-2730 – Monday- Friday: 5am-9pm PT, Saturday-Sunday: 6am-5:30pm PT

Advertisements Customer Service – Website

For customer service and self service options on the website: click here.

Advertisements Customer Service – Email

– No customer service by email.

Advertisements Customer Service – Twitter

– No customer service on the company’s twitter account.

Advertisements Customer Service – Facebook

Customer service on Facebook page: click here.

Advertisements Customer Service – Chat provides customer service via chat on this link: click here.

Advertisements Customer Service – Address

The address of customer service or head office: PO Box 34622, Seattle, WA 98124, USA.


Custservice provides contact details for leading companies and websites. We do not provide any customer support ourselves. All the information on this website is gathered from the companies websites, social media and customer feedback. We strive for perfection, but can not assure that the information on this website is 100% accurate. In case of mistakes or missing data – please help us to remain accurate by sending us your feedback.