# Indiana license plate: Trailer

> The Indiana trailer license plate: format TR999LLL, for example TR629DQS, documented since 2026, trailer. What each character means, its sizes and sources.

Page: https://vehiclesdb.com/license-plates/united-states--indiana/trailer · Markdown version of the HTML page, which is canonical. Site map: https://vehiclesdb.com/llms.txt · Terms of use: https://vehiclesdb.com/legal/terms

Part of [Indiana license plates](https://vehiclesdb.com/license-plates/united-states--indiana) (5 registration series).

![Indiana (United States) license plate, Trailer (documented since 2026)](https://vehiclesdb.com/plates/us-in/us-in-trailer/indiana-license-plate-trailer.svg)

| Fact | Value |
|---|---|
| Format | `TR999LLL` (L is any letter, 9 any digit) |
| Years | ~2026 → today (documented from 2026; the format is likely older) |
| Class | trailer |
| Issued for | trailer |
| Colours | background #FFFFFF |
| Checking a registration | The format above follows the issuing rules: a registration that fits it is one this series could have issued. |
| Series id | `us-in-trailer` (https://vehiclesdb.com/license-plates/united-states--indiana/trailer) |

Sources:

- [en.wikipedia.org](https://en.wikipedia.org/wiki/Vehicle_registration_plates_of_Indiana)
- [IC 9-18.1-4-1 is the issuance frame for every plate class; it carries no class grammar](https://codes.findlaw.com/in/title-9-motor-vehicles/in-code-sect-9-18-1-4-1.html)

## Use it

- Plate image (SVG): https://vehiclesdb.com/plates/us-in/us-in-trailer.svg
- Make it with your own text: https://vehiclesdb.com/license-plate-generator/indiana?series=us-in-trailer
- API: `GET https://vehiclesdb.com/api/v1/plates/us-in` returns this series as the entry with `"id": "us-in-trailer"` (https://vehiclesdb.com/api)

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Open data, CC BY 4.0: reuse it with a visible credit to VehiclesDB and a link (https://vehiclesdb.com/legal/attribution). Plate images show sample serials and are not open data (https://vehiclesdb.com/legal/image-license). Dataset commit db0ec0a: https://github.com/vehiclesdb/vehiclesdb