Carriers › AMERICAN FINANCIAL Group
NATIONAL INTERSTATE Insurance Company
| NAIC company code | 32620 |
| State of domicile | OH |
| Lines written | Property & Casualty |
| Group | AMERICAN FINANCIAL Group |
| Address | 3250 INTERSTATE DRIVE, RICHFIELD OH 44286 |
| Phone | 330-659-8900 |
New York auto complaint ranking
Ranked against other New York auto insurers by complaints per dollar of premium.1 years of data. Source: NY Department of Financial Services.
| Year | Rank | Complaints | Upheld | Premium |
|---|---|---|---|---|
| 2012 | 170 | 1 | 1 | $0.1M |
Connecticut complaints, 2021–2026
12 complaints filed with the Connecticut Insurance Department. Consumers recovered $2,982.
| Claim Handling | 11 |
Texas agency network
62 licensed Texas agencies are appointed to sell this company's products. An appointment is a formal authorisation filed with the state regulator.
Cities with the most appointed agencies:
| Richfield | 3 |
| Atlanta | 2 |
| Tyler | 2 |
| Rolling Meadows | 2 |
| Phoenix | 2 |
| Grand Rapids | 2 |
| Plano | 2 |
| Dallas | 2 |
| New York | 2 |
| Adrian | 1 |
Source: Texas Department of Insurance active appointments. Texas only — this company may be appointed with many more agencies in other states.
Company data from the NAIC Detailed Listing of Companies, June 2026. Complaint data from state insurance regulators. Each state measures complaints differently, so figures are not comparable between states. This is not a rating or a recommendation.