Moody's Integrity Hotline

Via the Internet: 

https://Moodys.ethicspoint.com

By telephone from the United States: 

Dial 1-866-330-MDYS (1-866-330-6397)

By telephone from outside the United States: 

Dial the AT&T Direct Dial Access® code for your location.

Then, at the prompt, dial 866-330-MDYS (866-330-6397).