California License Plate Characters: Formats, Types, and Rules

A standard California license plate has seven characters. That count holds for regular passenger vehicles and most commercial trucks, though the specific mix of letters and numbers depends on the plate type and the year it was issued. Motorcycle plates, temporary paper plates, and some older plates carry fewer.

The Current Passenger Plate Format

From 1980 until early 2026, standard passenger plates used a one-number, three-letter, three-number sequence, written as 1ABC123. By early 2025 the DMV had worked its way into the 9UBA000–9UBZ999 range and was running out of combinations.

In March 2026 California switched to a new arrangement: three numbers, three letters, one number, or 000AAA0. The total is still seven characters. Older 1ABC123 plates remain valid as long as the vehicle stays continuously registered.

Older Six-Character Plates

Before 1980, California issued six-character plates in either AAA000 or 000AAA form. You’ll still see these on classic cars and long-owned vehicles. Six characters isn’t a sign of a problem; the plate is legal as long as the vehicle stays registered and the characters remain legible.

Commercial Vehicle Plates

Commercial plates also carry seven characters, but the letter-to-number ratio differs from passenger plates. Earlier commercial sequences used formats like 1A00000 (two letters, five numbers). Because that combination yields fewer unique plates than the passenger format, the DMV later moved to patterns like 10000A0 to expand the supply.

Motorcycle Plates

Motorcycle plates are physically smaller and carry fewer characters than car plates. Standard-issue motorcycle plates use a compact format, and a personalized motorcycle plate allows up to six characters rather than the seven permitted on a car.

Personalized (Vanity) Plates

A personalized plate lets you pick the combination yourself, up to seven characters on a passenger vehicle or six on a motorcycle. Spaces and hyphens are allowed in the design, but they count toward your character limit. The initial fee for a personalized configuration is $53 on top of the regular registration fee.1California Legislative Information. California Vehicle Code 5106

Not every seven-character combination will be approved. The DMV refuses configurations that read as vulgar, sexually suggestive, racially degrading, or contemptuous of a group, along with anything that could be mistaken for a law enforcement designation or that swaps interchangeable characters (like the letter O for the number 0) to duplicate an existing plate.2California Department of Motor Vehicles. Vehicle Industry Registration Procedures Manual – Personalized Configurations – Mandatory Refusal

Specialty Plates

Specialty plates supporting causes like conservation, veterans’ organizations, universities, and cultural institutions come with a fixed graphic and a DMV-assigned alphanumeric sequence. You don’t choose the characters on a specialty plate unless you pay the personalized fee on top of the specialty fee. Motorcycle versions have smaller dimensions and fewer characters than their passenger counterparts.3California Department of Motor Vehicles. License Plates

Temporary Paper Plates

When you buy from a dealership, you drive off with a temporary paper plate instead of a permanent metal one. The dealer’s electronic system generates it, and the plate displays a report-of-sale number, an expiration date, and other identifying information the DMV requires.4California Legislative Information. California Vehicle Code 4456.2

The temporary plate number is shorter than the seven-character sequence on a permanent plate. It stays valid until your permanent plates arrive, at which point you swap them out.