National Interstate Corporate Headquarters
3250 Interstate Drive
Richfield, Ohio 44286
330-659-8900
800-929-1500
800-929-0870 (claims/loss reporting)
330-659-8909 (fax)
www.natl.com
 
National Interstate Insurance Company in Hawaii
Kapolei Building
1001 Kamokila Blvd, Suite 201
Kapolei, HI 96707-2091
808-536-3366
800-316-9167
808-536-3332 (fax)
www.natl.com/hawaii
(Also serving Alaska at www.natl.com/alaska
 
American Highways Insurance Agency, Inc.
3250 Interstate Drive
Richfield, Ohio 44286
800-935-2442
330-659-8912 (fax)
www.ahiains.com/

Vanliner Insurance Company
3250 Interstate Drive
Richfield, Ohio 44286
800-325-3619
800-858-5190 (fax)
www.vanliner.com

TransProtection Service Company
3250 Interstate Drive
Richfield, Ohio 44286
800-325-3619
855-472-1290 (fax)
www.transprotection.vanliner.com

National Interstate Claims
800-929-0870
330-659-8909 (fax)

In Hawaii or Alaska:
808-536-3366 or 1-800-316-9167
808-536-2467 (fax)

Captive Customers
866-294-8264
330-659-8909 (fax)

Risk Management Services
800-929-1500
330-659-8905 (fax)
www.natlriskmgmt.com