Ontario licence plate: Trailer 2025

Issued today 2025 to today. Trailer plates, issued by Ministry of Transportation of Ontario (MTO); plates and permits issued through ServiceOntario. One of 12 Ontario license plates.

Ontario (Canada) license plate, Trailer 2025 (2025 to today), sample UB7 77K

Format, years and the law

Format
LL9 99L, for example UB7 77K (L is any letter, 9 any digit)

The format above follows the issuing rules: a registration that fits it is one this series could have issued.

Years issued
2025 to today. Still issued.
Vehicle class
Trailer: trailers and semi-trailers where separately serialized. Issued for trailer.
Colours
Characters #003C71 Background #FFFFFF
Size
12 × 6 in (305 × 152 mm) · every country's size

Legal basis and sources

  1. HTA s. 7(4): the trailer permit and plate requirement https://www.ontario.ca/laws/statute/90h08
  2. Reg. 628 s. 9(4): rear-only display for a trailer https://www.ontario.ca/laws/regulation/900628
  3. en.wikipedia.org https://en.wikipedia.org/wiki/Vehicle_registration_plates_of_Ontario

Before and after

This plate in your app

The series id is ca-on-trailer-2025. The API returns its format, validation, colours and designs with the rest of Ontario's series:

curl -s https://vehiclesdb.com/api/v1/plates/ca-on \
  -H "Authorization: Bearer $VEHICLESDB_API_KEY" \
  | jq '.series[] | select(.id == "ca-on-trailer-2025")'