Service Center: Claims

Service Center > Claims

We are your best partner, on your worst day.

As specialists in commercial transportation insurance, National Interstate claim professionals aggressively adjust hundreds of millions of dollars in claims each year. On every claim, for every customer, we work tirelessly to achieve fair, equitable and cost-effective resolutions.

From a minor fender-bender to a catastrophic loss, our experts will provide a superior level of service. Our teams are organized by specialty and severity to ensure that your claim is handled by a professional who understands your industry, no matter the complexity. We understand claims can be stressful, and our goal is to make the process as smooth as possible.

We are here when you need us, 24/7, 365 days a year.

How to Report a Claim:

Call: 800-929-0870
Fax: 330-659-8909

In Hawaii or Alaska:

Call: 808-536-3366 or 800-316-9167
Fax: 808-536-2467

For Catastrophic Claims:

Please call 800-929-0870, 24-hours a day, seven days a week. Catastrophic claims must be reported via telephone call, and this phone number is staffed around-the-clock by our rapid response team, including our veteran specialists and extended network of experts.

4 Steps to a Stress-Free Claim Experience

  1. Report the claim immediately!
  2. Gather as much information as possible before our claims professional contacts you.
  3. Communicate anything and everything relevant to the claim to our claims professional
  4. Relax. We'll take it from here.