Above are our top recommendations for how to contact McGraw-Hill Companies Inc., including their top phone number and live chat options. Below you can compare and contrast the 3 ways to contact McGraw-Hill Companies Inc. by looking at which ones are the fastest and which ones other customers recommend the most for solving McGraw-Hill Companies Inc. customer service issues as reported to us by the 50 million or so customers that come to GetHuman each year and share their experiences. You can contact McGraw-Hill Companies Inc. across the following mediums: Phone, Email.
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