Our corporate headquarters is located at:

2000 Galloping Hill Road
Kenilworth, NJ 07033 U.S.A.

To reach a Merck employee, please call:

1-908-740-4000
Monday – Friday, 8:30 am – 5:30 pm ET

Worldwide offices

Xổ số miền nam chủ nhật tuần trướcTo learn about our operations in Canada, visit . For outside of the U.S. and Canada, Merck is known as MSD. For contact information, 

Products & services and adverse event reporting

Xổ số miền nam chủ nhật tuần trướcFor information about Merck’s products and services including the reporting of an adverse event or product quality complaint with a specific Merck product, please call the Merck National Service Center:

1-800-444-2080
Xổ số miền nam chủ nhật tuần trướcMonday – Friday, 8:00 am – 7:00 pm ET

You can call this number 24/7 for any product-related emergency

Do you need help paying for your medications?

See programs

We understand that many things can add to the stress of medical treatment. If you are unable to afford your prescribed medications, we may be able to help you. See what programs are available to eligible patients in the U.S.

For investor questions:

Call: +1 908-740-1468

Email: investor_relations@merck.com

For general media questions:

Call: +1 908-740-5633

Email: mediarelations@merck.com

Xổ số miền nam chủ nhật tuần trướcTo inquire about invoice and payment issues, please contact the appropriate country’s help desk.

Merck Animal Health

Xổ số miền nam chủ nhật tuần trướcIf you are based in the USA and have questions on our products or our organization, please visit the

If you are outside the USA, please send an email to: animal-health-communications@merck.com

Our Merck Animal Health headquarters is located at:

2 Giralda Farms
Madison, NJ 07940 U.S.A.

Contact information for Stockholders and Investors is available e.