Independent lookup. USAComplaints does not operate this number and is not affiliated with the company.
(800) 774-2678
Listed on the Costco profile as: Membership and Warehouse customer service (Costco's Contact Us page), source customerservice.costco.com, checked .
Call (800) 774-2678 Costco company profile
Complaints that mention this number10
Complaints & Reports
- I purchased 2 hearing aids for the cost of 2599.98 plus plus 2 special modes for...
- Received ck for 3,990.00 ck#145876 drawn on the account of OBRIEN STELL SERVICE...
- Gasoline Allegedly Ruined Engine, No Resolution Offered
- Online Flower Order Botched and Overpriced, Charge Disputed
- Online Flower Order Delivered Late, No Refund or Reply
- I received a check for 3950.00 saying i won money in uk. Check came from great...
- I was told by a friend to share that I like costco on my face book page for...
- Paid $6,500 for Gutters and Leaf Guard That Was Never Installed
- I was given this juicer as a gift and followed all instructions in the book...
- Saleswoman Refused to Check Coupon for Vitamin C Purchase