Costco Customer Service Contacts

Costco Wholesale Corporation, is the largest American membership-only warehouse club. As of 2015, Costco was the second largest retailer in the world after Walmart.

Costco opened its first warehouse in Seattle, Washington, on September 15, 1983. It focuses on selling products at low prices, often at very high volume. These goods are usually bulk-packaged and marketed primarily to large families and businesses. Costco has a wide variety of changing inventory and is known for carrying products for a time, then discontinuing them or using them as seasonal products.