Know your plate’s rules.

Character limits, message guidelines, and the official place to start.

Find your state’s guidance below. Sources include policy pages, application instructions, and PDFs; each card explains what its source covers. Hawaii uses county guidance. These links do not confirm plate availability.

Filter by state

Policy page

California (CA)

California DMV

Personalized Configurations — Mandatory Refusal

Content restrictions, confusing configurations, and letter/number substitution rules.

Read plate guidelines Application and ownership guidance Official plate service Person-to-person transfers