Idaho License Plates
Renewal date stickers will no longer be required after July 1, 2026.
Idaho plates marked "PRP" along the left side signify a truck or bus operating in more than one jurisdiction as part of the International Registration Plan (IRP). Current series PRP plates have appeared with Ax (tractor), Bx (truck) and Cx (trailer) vehicle prefixes. PRP trailer plates not issued since 2001. Numbers and plate bottom darkened in 2008 when plates changed from embossed to flat.
Idaho license plates have been on a rolling 10-year replacement cycle since 2020, a three-year increase from the prior seven-year requirement.
The current Idaho county-system passenger base debuted in 1991 as a blue-number embossed plate, later revised to all-flat in 2008 with black registration characters.
At the end of 2020, the serials following the county prefix started using a mashup of alpha and numeric characters, at first with a "U" suffix. In most populous Ada County, after 1A ZZZ9U was reached in 2025 they advanced to the V series at 1A A001V.