Contact us

MSD corporate headquarters

126 East Lincoln Avenue
P.O. Box 2000
Rahway, NJ 07065 USA

Phone: 908-740-4000
Monday-Friday
8:30 a.m. to 5:30 p.m., ET

Worldwide offices

Worldwide contact information

MSD is known as Merck & Co., Inc., Rahway, NJ, USA within the U.S. and Canada

For general media questions:

Call: +1 908-740-5633

Email our team

To inquire about invoice and payment issues, please contact the appropriate country’s help desk.

Visit our MSD Animal Health contact page to navigate to a specific country site for contact information.

Our MSD Animal Health headquarters is located at:

2 Giralda Farms
Madison, NJ 07940 USA