Number for Live PersonIf you need to speak to a live customer service representative in Merck customer service you need to dial 1-800-444-2080. To speak with a live agent, you need to press 4 and stay on the line (typical waiting time is about 1-5 minutes).
Alternatively you can use the following other options available in the customer service phone menu:
- If you are a physician, healthcare provider or calling from a healthcare facility press 1.
- If you are a patient, caregiver or consumer press 2.
- If you are an employee press 3.
- For all other calls press 4.
Merck Customer Service Hours
Live customer service representatives from Merck are available from 8am to 7pm EST Monday-Friday, Saturday-Sunday closed.
Merck Customer Service Phones
- Merck customer service phone number is 1-800-444-2080. Live customer service representatives from Merck are available from 8am to 7pm EST Monday-Friday, Saturday-Sunday closed.
- If you have a coupon or voucher for a Merck product and need assistance with activation or processing you need to dial 1-877-264-2454.
- To reach a Merck employee you need to dial 1-908-740-4000.
- For Companion Animal (dogs, cats) you need to dial 1-800-224-5318.
- For Livestock, Poultry & Aquaculture (cattle, swine, dairy, poultry & fish) you need to dial 1-800-211-3573.
- For Equine (horses) you need to dial 1-866-349-3497.
Merck Social Networks Customer Service
- Merck customer service could be contacted via Merck Facebook page. Typically Merck customer service representative replies within an hour.
- You can also reach Merck support via Merck Twitter page
- You can view latest Merck photos on Merck Instagram page
Merck Mailing Addresses
Corporate Headquarters:
2000 Galloping Hill Road
Kenilworth, NJ 07033 U.S.A.
Merck Live Chat Support
Merck does not provide support via chat. The best way to contact Merck is to dial 1-800-444-2080.
Merck support e-mail
Merck doesn’t offer live support via e-mail.
Merck Help Center
You can get more information about Merck on the Merck Contact page.
Merck Opening Hours
Monday 8am to 7pm EST
Tuesday 8am to 7pm EST
Wednesday 8am to 7pm EST
Thursday 8am to 7pm EST
Friday 8am to 7pm EST
Saturday closed
Sunday closed