Contact Us

The Hanover Corporate Office Mailing Address
The Hanover Insurance Group, Inc.
440 Lincoln Street
Worcester, MA 01653-0002
The Hanover Phone Lines
Main Phone: 508.855.1000
Toll Free: 800.853.0456
To Report a Claim: 800.628.0250

To report a Claim, please call the 24-hour toll-free hotline.

For Billing Questions: 800.922.8427

For help with billing information, please call Customer Service.

California Workers' Compensation Policyholders
Submit an Appeal or Request for Action