Kmart Customer Service

The customer service department at Kmart is available to answer customer questions and concerns Monday through Saturday 7am to 1am EST. Typical questions revolve around product in-stock and availability. Additional concerns revolve around the status of online orders and company policy.

  • Customer Care Department: 1-866-562-7848
  • Corporate Headquarters: 1-847-286-2500
  • Parts and Inquiries: 1-800-366-7278
  • Product Installation: 1-800-326-8738
  • Home Services: 1-800-469-4663
  • Manage My Life: 1-800-803-6775

Kmart Mailing Address

Customers can mail questions and concerns to customer service here:

Kmart Corporate Headquarters
333 Beverly Rd.
Hoffman Estates, IL 60179

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