Costco Customer Service Phone Number, Email Id, Office Address

Costco Customer Service Phone Number is +1-800-955-2292, and email id is, and the head office address is 999 Lake Drive Issaquah, WA 98027, USA. Read more about the company overview, social profiles & website link details.

In the year 1983, James Sinegal and Jeffrey Brotman laid the groundwork for what would become Costco. Now, it is the largest wholesale club in the world, and it sells items at competitive costs. At this time, Costco operates around 592 warehouses, with 429 of them situated in the United States of America, 82 in Canada, 22 in the United Kingdom, 8 in Taiwan, 9 in Japan, 3 in Australia, and 32 in Mexico.

Costco reported having approximately 62.6 million cardholders as of February 2011. As of the end of 2010, the company’s annual revenue totaled 77.9 billion dollars. There are three different kinds of memberships available at Costco: the Executive membership, the Business membership, and the Gold Star membership for individuals. Costco employs around 155,000 employees across the globe at the moment and has its headquarters in Washington.

Costco Customer Service

Costco Customer Service

Phone Number: +1-800-955-2292, +1-800-774-2678, 1-800-220-6000, +1-877-849-2730, +1-800-607-6861

Email Id:

Office Address: 999 Lake Drive Issaquah, WA 98027, USA


Telephone Number: Not Available

Fax Number: Not Available

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Costco International Contacts

Below are the phone numbers of Costco offices across the world. Reach the contacts for returns, complaints, feedback, or inquiries on prices, store locations, etc

Canada: 613-221-2000

UK: 011-44-1923-213-113

Korea: 011-82-2-2679-1234

Mexico: 011-525-552-46-5500

Taiwan: 011-886-2-8791-9988

Australia: 011-61-2-9469-7999

Customer Service (Post)

Have a complaint or feedback on Costco products or services? Given below is Costco’s mailing address where you can send your complaints or feedback.

PO Box 34331
Seattle, WA 98124

Kitchen appliances, water coolers, auto electronics, car and truck accessories, wheels, auto services, baby items, computer accessories, desktops, laptops, tablets, monitors, printers, software, cameras, camcorders, cell phones, musical instruments, TVs, furniture, groceries, pet supplies, health and beauty products, diet and nutrition, home decor, jewelry, office supplies, sports, and fitness products, and more are some of the products that can be purchased at Costco. A complete refund is available on all purchases made at Costco.

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