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Contact Cliffs Natural Resources Customer Service

Cliffs Natural Resources Phone Numbers and Emails

Toll-Free Number:

  • (844) 783-3599
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Customer Service:

  • (866) 477-3335
    Community Inquiries
  • (800) 866-2416
    Ethics Reporting
  • (216) 694-5700

Jobs/ Career:

  • (312) 899-3097

Cliffs Natural Resources Emails:

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Contact Information

Cliffs Natural Resources Website:

Cliffs Natural Resources Help Center:

Corporate Office Address:

Cleveland-Cliffs Inc.
200 Public Square, Suite 3300
Cleveland, Ohio 44114
United States

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