Costco customer service contact options
Costco's contact page separates Costco.com support from membership and other services. This number is for online orders; warehouse and membership questions use different entries in the same directory. Separate an online-order problem from a purchase made in a store. The order confirmation or receipt helps identify which team can look up the transaction.
| Contact option | Where to go | When to use it |
|---|---|---|
| Phone | 1-800-955-2292 | Costco.com online orders. |
| Official online help | Costco support | Finding the current contact route for Costco.com orders and related requests. |
How to call Costco customer service
Costco customer service can be reached using the listed number, 1-800-955-2292. Check the department label before dialing: Costco.com online orders. Ask whether the next step concerns the retailer, the delivery carrier or the seller named on the order.
- Have the relevant details ready for your Costco.com orders question.
- Call 1-800-955-2292 and choose the department matching your request.
- Explain the issue, when it occurred and the specific help you need. If a different department is required, ask for the correct contact route.
Check the linked contact page for current availability. Automated account tools and live representatives can have different hours; this guide does not promise a wait time or a particular outcome.
Contact Costco customer service online
For an order question, open the order details before starting a support request. Compare the item and delivery dates with your confirmation so you describe the right purchase.
- Open the official Costco support link and choose the topic that matches your request.
- Identify the account, product or reference associated with Costco.com orders. Sign in only through the official service when required.
- Use the contact method offered for that topic and include a short description, relevant dates and any existing case number.
What to have ready
For Costco requests involving Costco.com orders, membership questions, warehouse purchases, prepare the information that helps identify the right account or transaction. Share private details only through the company’s appropriate support process.
- Order number or store receipt, purchase date and item name.
- Delivery or return tracking and the date of the latest update.
- Photos of an incorrect or damaged item, if relevant to the request.
If a return, replacement or refund is discussed, ask how you will receive confirmation and where to check its progress.
Frequently asked questions
How do I contact Costco customer service?
The listed number is 1-800-955-2292. Its scope is: Costco.com online orders. The linked official source publishes the number.
Which Costco support route should I choose?
Costco's contact page separates Costco.com support from membership and other services. This number is for online orders; warehouse and membership questions use different entries in the same directory.
What should I prepare before contacting Costco?
Identify the request first: Costco.com orders, membership questions, warehouse purchases. Order number or store receipt, purchase date and item name. If a return, replacement or refund is discussed, ask how you will receive confirmation and where to check its progress.
Sources & last checked
We checked the sources below on October 8, 2026. Phone numbers and support routes are attributed to the official references below. Support availability, routing, and menu labels can change.
- Costco: official support reference Official source — Costco's contact page separates Costco.com support from membership and other services. This number is for online orders; warehouse and membership questions use different entries in the same directory.
This is an independent guide. Costco provides the support service; Customer Service Phone Numbers and ROI Hacks do not manage your account or handle support requests.
