Shopping & purchases / CONTACT RECORD
Costco
Customer Service Number
Membership and warehouse (US)
1-800-774-2678Original contact source (opens a new tab)Source date
An independent reference. Willow Mile Press is not Costco’s customer-service team. Calls go to the listed provider; we do not answer, connect or record them.
BEFORE YOU GET IN TOUCH
Put the contact in context
Choose a way to reach Costco by checking the department and source beside each contact. The telephone entry is labelled for membership and warehouse (us). Company names identify the subject of this independent reference, not the publisher.
- Identify the actual seller on the receipt; a marketplace and its seller may be different businesses.
- Keep the order date, item name and shipping reference ready for a private conversation.
- Get return instructions from the seller before posting an item back.
THE CONTACT LIST
Numbers and online routes
PHONE CONTACT
Online orders and Costco Logistics deliveries (US)
Mon–Fri 5am–8pm PT; Sat–Sun 5am–7pm PT
Source (opens a new tab)Recorded 2026-09-20
ONLINE CONTACT
Official website
Source (opens a new tab)Recorded 2026-09-10
READER EXPERIENCES
How did your interaction go?
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