Costco Phone Number: 1-866-861-0450
Email Addres:
Customer Support: Customer Care
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Costco Wholesale Corporation offers wide selection of merchandise. The company is the only warehouse club and is the third largest retailer in the United States and second largest in the world. It has its headquarters based in Issaquah, Washington, USA. It has 674 warehouses spread alone in United States. For any help or assistance on customers can connect to the official support team of the corporation at customer service contact phone number. The company dates back to 1983 when it had its first warehouse open in Seattle in 1983.