The new phone number for the U. S. Steel Ethics Hotline is:
0800 611 430
and is now fully operational.
The original phone number will remain available through June 22, 2026 (inclusive). Starting June 23, 2026, the Ethics Hotline will be available by phone exclusively through the new phone number. Other methods of submitting reports to the Ethics Hotline (via the web portal, P.O. Box) remain unchanged.
