The Sears national customer relations department can be reached at 1-800-549-4505, as of 2015. The number for Sears Corporate Headquarters is 847-286-2500. Complaints can also be filed by mail and addressed to Sears Corporate Office, ATTN: Advocate & Corporate Complaint Department, 3333 Beverly Rd., Hoffman Estates, IL, 60179.
The Sears National Customer Relations hotline greets customers with an automated message asking them to select the nature of their inquiry. To file a complaint, a customer should select the option for "Feedback on a store experience or to inquire about an existing case," which directs the customer to a customer service representative.
If this method fails to resolve the complaint, a customer can file a complaint directly with Sears Corporate Headquarters.