How to contact overstock headquarters? Overstock Com, Inc Corporate Office & Headquarters 6350 S. 3000 East Salt Lake City UT 84121 Overstock Com, Inc corporate phone number: (801) 947-3100Where is overstock located? Overstock.com, Inc. is an American internet retailer headquartered in Midvale, Utah, near Salt Lake City. Patrick M. Byrne founded the company in 1997 and launched the company in May 1999.Is overstock com legit? Overstock.com is a legitimate online retailer. The company does not have brick and mortar stores like Target or Wal-Mart, but it is a legitimate company when it comes to Internet shopping.
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