Washington license plate: Trailer
Issued today Documented since 2026. Trailer plates, issued by Washington State Department of Licensing (DOL). One of 5 Washington license plates.
Format, years and the law
- Format
-
99999LL, for example78307XA(L is any letter, 9 any digit)The format above is broad: a registration that fits it has the right shape, which does not show that this series issued it.
- Years issued
- Documented since 2026; the format is likely older than the first year documented. Still issued.
- Vehicle class
- Trailer: trailers and semi-trailers where separately serialized. Issued for trailer.
- About this plate
- TRAILER. Washington separately serializes trailers and issues them ONE plate by statute.
Legal basis and sources
- (4)(a)(ii): one plate for a trailer or semitrailer https://app.leg.wa.gov/RCW/default.aspx?cite=46.16A.200
- en.wikipedia.org https://en.wikipedia.org/wiki/Vehicle_registration_plates_of_Washington_(state)
This plate in your app
The series id is us-wa-trailer. The API returns its format, validation, colours and designs with the rest of Washington's series:
curl -s https://vehiclesdb.com/api/v1/plates/us-wa \ -H "Authorization: Bearer $VEHICLESDB_API_KEY" \ | jq '.series[] | select(.id == "us-wa-trailer")'
- Plate image (SVG, sample serial): https://vehiclesdb.com/plates/us-wa/us-wa-trailer.svg
- Blank template, filled on your side: https://vehiclesdb.com/plates/us-wa/us-wa-trailer/template.svg
