Costco Customer Service Phone Numbers and Contacts.

Costco Warehouse has several different customer service phone numbers available for contact.

We have listed all of them here, along with the Costco customer care email address and mail address.

Costco Customer Service Phone Numbers.

Costco Membership and Warehouse Phone Number:  1-800-774-2678
Monday to Friday, 6am to 6pm PT
Saturday to Sunday, 8am to 5pm PT

TIP: Press 0 to get through quickly.

Costco Customer Service number – Alternative: 1-800-220-6000

Costco.com Online Orders phone Number: 1-800-955-2292
Monday to Friday, 5am to 8pm PT
Saturday to Sunday, 5am to 7pm PT

Costco Business Center Orders Phone Number:  1-800-788-9968

Monday to Friday, 7am to 5pm PT

Costco Concierge Services Phone Number: 1-866-861-0450
Monday to Sunday, 5am to 10pm PT

CostcPharmacy Customer Service Phone Number: 1-800-607-6861
Monday to Friday, 5am to 7pm PT
Saturday, 9:30am to 2pm PT

Costco Photo Center phone Number: 1-855-620-7579
Call Monday to Sunday, 6am to 8pm PT

CostcoTickets.com Phone Number: 1-855-258-3217
Monday to Sunday, 7am to 9pm PT

Costco Travel Customer Service Phone Number: 1-877-849-2730
Monday to Friday, 5am to 9pm PT
Saturday to Sunday, 6am to 5:30pm PT

 

Costco Customer Service Mailing Address.

To send correspondence to Costco’s Customer Service department, please mail to:

PO Box 34331
Seattle, WA 98124

Costco Customer Service Email.

To contact the Costco customer care, please use their email form.

Costco’s customer service email address is: costcocare@costco.com

How to Complain To Costco?

In order to complain to Costco, your first stop should be to relay your issue directly to your local store manager.

if that doesn’t get you anywhere, we recommend that you call Costco’s main customer service phone number, which is:  1-800-774-2678.

You can also email the company by using their email form. Choose the department and your issue, send your complain and you should get a reply in a few days.

For FAQs about orders, returns payments and more, please visit the company’s help page.

Costco Resources.

Please share your experiences with the Costco Customer Service in the comment section.

Costco Customer Service Phone Number
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10 Thoughts on “Costco Customer Service Phone Number”

  • Costco has switched to “flexible bags” that fit the 13 gallon standard kitchen trash cans. This seems like it must have been a cost-saving decision for Costco. Not so good for the consumer. For the first time,I used the bag with some trash in it, as I always do, to empty the kitty litter into. The bag ruptured while carrying it from my garage to the driveway. I do not need to tell you the mess that I had. After cleaning up the mess I examined the bag. The “flexible” part seems like a significantly lesser mil than the rest of the bag. from a consumer stand-point, another word for it is cheap. Please bring back the other bags.

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  • Menomonee Falls, WI, Store #1209, 4/3/17, 2:06PM. This is the second such letter I’ve written in my 61 years. I just had the check-out pleasure of Sara K., OP#6. Sara was not only most helpful with unloading & loading, but displayed a full smile during my entire transaction. I stopped for a hot dog on the way out and observed Sara help many a customer, some elderly, some confused…and that friendly smile never ended. Please forward my appreciation to Sara.

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  • I visited the La Mesa location on Saturday. Alysse was my checker and she was very rude and bossy. She told me I needed to get my picture on my card which was fine but then when I slid my Visa card she cancelled the transaction and told me I couldn’t use that card because Costco only takes Visa. I told her it was Visa and she grabbed it from my hand and said fine and slid it for me. Her whole attitude was terrible. A little embarrassing to be spoken to like a child in front of all the people in line.

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  • The Kirkland Organic Marinara tomato sauce is simply delicious,my son had me try it and I was skeptical…but wow,I am a organic believer now.
    Just keep up the high standard and quality of the most foods and items.

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  • When searching for Costco’s store hours on Martin Luther King Jr. Holiday, I was mortified when Monday’s Holiday was listed as Robert E. Lee’s Birthday. I came very close to cutting up my Costco membership card and never returning to your warehouse. I took a deep breath and realized that this website is not your official website, but you should do something about it.

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  • It is been 40 days now. Every time they says they will get back to me in 2 business days but never. Even the superviser was called david promise to solve the problem and get back to me in 2 days 2 weeks ago. No one called. No one solve the problem. I just want my own tv back.

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  • We bought a TV from costco and has problem after a year. W called them they says repair technician will pick up for repair. The repair center bring back the tv after 2 days it was working. But same day we find out it is not our tv. Luckily we kept the original box for TV. The number on the TV and box are not mathing. It is been more then a month now.we called hundreds of time to get our tv back. The third part customer service keep telling they are investigating. How can they switch the TV. Unbelievable they do that. Our new TV switched to old and broken tv. Ours is energy star. This one is not.
    Every time we spend an hour to explain. Even we offer them we can take a picture of the box and TV serial number.manufacturer number. Manufacture date all not matching. But there is no result.
    Really disappointed such a big costco deal with this kind of repair center. Really not happy.
    Working as a customer service agent I know we’ll company reputation should be first we have to consider.

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  • Since the date of my husbands death I had to change the account into my name, but was on the account since being with Citi Bank. They made me reregister my account to a new account and now lost all my rewards money. I don’t feel it was right to lose my money since I’ve been a member sine store opened in Naples, FL. Never late on a payment and a good customer. Feeling angry with Citi and wondered if you could help me out. Thank you

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  • I contacted the Costco store manager, when I had a problem with a faulty item, and he sorted it out without any problem.

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