North America Technical Support

Monday to Friday: 8:30 am to 6:00 pm EST
Phone (U.S.): 800-348-9011, (press 4 for technical support)
Phone (Canada): 866-442-1011
Visit zoll.com/ExpertCareSupport to submit an enquiry, report an issue, or place a service part order.

LifeVest® Technical Support

24 hours a day, seven days a week
Phone: 800-543-3267
Fax: 866-567-7615
Email: [email protected]

U.S. customers

Customer Service 800-348-9011

U.S. customer service is available by phone from Monday to Friday, 8:30 am to 6:00 pm EST.

[email protected]

Place an order or check the status of an existing order. 

ZOLL Bill Pay

Pay your bill online, manage your account, access your invoices or view a statement.

International customers

For assistance, please view our list of worldwide locations and contact the nearest office.

ZOLL Headquarters

Chelmsford, MA
Monday to Friday: 8:30 am to 6:00 pm EST
Phone: 800-348-9011
Email: [email protected]

ZOLL Data Systems

Broomfield, CO
Monday to Friday: 7:00 am to 6:00 pm PST
Phone: 800-663-3911
Email: [email protected]

ZOLL LifeVest

LifeVest Customer Support
Monday to Friday: 8:30 am to 9:00 pm EST
Saturday: 8:30 am to 6:00 pm EST
Phone: 800-543-3267
Email: [email protected]

Cardiac Diagnostics Support

24 hours a day, seven days a week
Phone: 888-592-3798
Email: [email protected]