Contact Costco Customer Service: How to Reach Them

Kayla Jul 09, 2026

If you're a Costco member or shopper, you might need to get in touch with Costco customer service for various reasons. Whether you have a question about a product, need assistance with your membership, or want to track an order, Costco offers several ways to reach their dedicated customer service team. Let's explore how you can contact Costco customer service.

FAQs About Pinterest Contact Information
FAQs About Pinterest Contact Information

Before diving into the contact methods, it's essential to know that Costco customer service is available 24/7. This means you can reach out to them at any time, day or night, for assistance with your Costco-related needs. Now, let's look at the different ways to contact Costco customer service.

an empty parking lot in front of a business called costco us co's go business
an empty parking lot in front of a business called costco us co's go business

Contacting Costco Customer Service by Phone

One of the most convenient ways to contact Costco customer service is by phone. They have separate phone numbers for different regions and types of assistance. Here are the main phone numbers you might need:

Costco members urged to stay alert following dangerous phishing scam asking for credit card information
Costco members urged to stay alert following dangerous phishing scam asking for credit card information

For U.S. members: 1-800-774-2678

For Canadian members: 1-888-426-7826

Costco Implements New Policy To Curb Membership Sharing At Self-Checkout
Costco Implements New Policy To Curb Membership Sharing At Self-Checkout

For Costco Travel: 1-866-971-5200

For Costco Credit Card services: 1-800-347-9450

Calling Costco Customer Service

a man walking in front of a costco store
a man walking in front of a costco store

When calling Costco customer service, you'll first hear an automated system that will guide you through the available options. You can press the corresponding number on your keypad to select the department you need, such as:

  • Membership
  • Order status
  • Product information
  • Returns and exchanges
  • General inquiries

If you're unable to find the information you need through the automated system, you can press '0' to speak with a live customer service representative.

Customer Service Tips for Online Business
Customer Service Tips for Online Business

Tips for Calling Costco Customer Service

To ensure a smooth call, make sure to have your membership number or order number ready. This will help the customer service representative quickly access your account information and provide personalized assistance. Additionally, be prepared to describe your issue or question clearly and concisely to save time and ensure a quick resolution.

the coup page for costco next, the members only portal most shoppers miss
the coup page for costco next, the members only portal most shoppers miss
Costco membs <3
Costco membs <3
a sign that says the rules of customer service
a sign that says the rules of customer service
Costco Customer Says People Can Get A Year Long Membership For Only Twenty Bucks
Costco Customer Says People Can Get A Year Long Membership For Only Twenty Bucks
How to Deliver Exceptional Customer Service on Etsy
How to Deliver Exceptional Customer Service on Etsy
Costco Is Giving Out Gift Cards If You Buy These Products But Don't Throw Out Your Receipts
Costco Is Giving Out Gift Cards If You Buy These Products But Don't Throw Out Your Receipts
Costco Bonus Offer USA | Extra Rewards Inside
Costco Bonus Offer USA | Extra Rewards Inside
Yuck! Costco Offering A Refund On This Product Due To It's 'Weird Taste'
Yuck! Costco Offering A Refund On This Product Due To It's 'Weird Taste'
How to Get a Costco Membership for Only $20!
How to Get a Costco Membership for Only $20!
Best Things to Buy at Costco (15 GREAT Items To Grab Every Day!)
Best Things to Buy at Costco (15 GREAT Items To Grab Every Day!)
‘This is like a secret… it’s crazy!’ Woman Discovers The Significantly Better Deals You Can Find At Costco’s Business Center
‘This is like a secret… it’s crazy!’ Woman Discovers The Significantly Better Deals You Can Find At Costco’s Business Center
people are standing in front of a costco store
people are standing in front of a costco store
an info poster with the words customer service and what to do when it comes out
an info poster with the words customer service and what to do when it comes out
10 Costco Hacks You Must Know USA
10 Costco Hacks You Must Know USA
Costco Return Policy Secrets: Here's Exactly What You Can and Can't Do
Costco Return Policy Secrets: Here's Exactly What You Can and Can't Do
Work at Home Customer Service Job at VIPdesk Connect
Work at Home Customer Service Job at VIPdesk Connect
the costco flyer is open and shows items for sale on it's side
the costco flyer is open and shows items for sale on it's side
two people sitting at desks in an office with red and white signs on the wall
two people sitting at desks in an office with red and white signs on the wall
Costco Jobs Hiring Now! Excellent Company, Great Benefits! Apply Today!
Costco Jobs Hiring Now! Excellent Company, Great Benefits! Apply Today!
Do Costco Employees Get Discounts Or Free Membership?
Do Costco Employees Get Discounts Or Free Membership?

Contacting Costco Customer Service Online

If you prefer not to call Costco customer service, you can also reach them through their online channels. They offer several ways to get in touch with them digitally, including email and social media.

Emailing Costco Customer Service

Costco provides an online contact form that allows you to send an email to their customer service team. To use this form, visit the Costco Contact Us page and select the topic that best fits your inquiry. Fill out the required fields, including your name, email address, and a detailed description of your issue or question. Once you've submitted the form, a customer service representative will respond to your email within 1-2 business days.

Contacting Costco through Social Media

Costco is active on several social media platforms, including Facebook and Twitter. You can reach out to them on these platforms for general inquiries and assistance. To contact Costco through social media, follow these steps:

  • Visit the official Costco page on your preferred social media platform (e.g., Facebook or Twitter)
  • Send them a direct message or post on their wall with a brief description of your issue or question

Keep in mind that social media platforms are public spaces, so avoid sharing sensitive or personal information. If your issue requires a more private conversation, the customer service representative may ask you to contact them through another channel, such as email or phone.

Using the Costco Mobile App for Assistance

The Costco mobile app offers a convenient way to contact customer service and manage your account. To use the app for assistance, follow these steps:

  • Download and open the Costco app on your mobile device
  • Tap on the "Contact Us" option in the app menu
  • Select the topic that best fits your inquiry
  • Fill out the required fields and submit your request

The Costco app also provides access to live chat support, allowing you to connect with a customer service representative in real-time for immediate assistance.

Contacting Costco Customer Service by Mail

If you prefer to contact Costco customer service by mail, you can send a letter to their corporate headquarters. Here's the address to use:

Costco Wholesale Corporation
Customer Care Center
999 Lake Drive
Issaquah, WA 98027

When writing to Costco, include your full name, address, phone number, and membership number (if applicable) to help them process your request more efficiently. Also, provide a detailed description of your issue or question to ensure a quick resolution.

In summary, Costco offers multiple ways to contact their customer service team, including phone, email, social media, and mail. Whether you prefer speaking to a representative directly or communicating through digital channels, you can find a suitable method to get the assistance you need. Don't hesitate to reach out to Costco customer service for any questions or concerns you may have. They're always ready to help you make the most of your Costco experience.