What does K400 DOO mean as a number plate?

A K400 DOO number plate contains the character combination "K400 DOO". These personalised plates are sought after for their short, memorable format and symmetrical pattern.

How many K400 DOO number plates are available?

There are currently 123 K400 DOO number plates available at NewReg. Stock changes regularly as plates are sold and new listings are added.

Can I put a K400 DOO number plate on any car?

Dateless-style K400 DOO number plates have no age restriction and can be displayed on any UK-registered vehicle. Current and prefix style combinations may carry year restrictions — check individual listings for eligibility.

What is the cheapest K400 DOO number plate?

The cheapest K400 DOO number plate at NewReg currently starts from £250.

Are K400 DOO number plates a good investment?

Short combination number plates like K400 DOO patterns tend to hold their value well over time. Their rarity, memorability, and broad appeal make them popular choices for buyers seeking investment-grade private registrations.

K400 DOO Number Plates

Browse 123 personalised K400 DOO number plates at NewReg from £250. Free DVLA transfer, price match guaranteed. Est. 1991.

Number Plates for ‘K400 DOO’

Current style platesView all →
KE16 DOO£699Buy
KO07 DOO£599Buy
KR15 DOO£599Buy
KB16 DOO£599Buy
KA73 DOO£599Buy
KO11 DOO£399Buy
KO15 DOO£399Buy
KO16 DOO£399Buy
KO17 DOO£399Buy
KO18 DOO£399Buy
Prefix plates
K5 DOO£19,995Buy
K400 DOO£250Buy
K200 DOO£250Buy
K300 DOO£250Buy
K500 DOO£250Buy
K666 DOO£250Buy
K700 DOO£250Buy
K777 DOO£250Buy
K555 DOOPrice on applicationEnquire

123 platesFrom £250No age restriction

Short combination plates like K400 DOO are sought after for their symmetry and memorability. These plates can be assigned to any vehicle with no age restriction.

Popular K400 DOO format plates include dateless combinations and short private registrations prized for their symmetry and memorability. K400 DOO plates can be assigned to any vehicle with no age restriction.

Expert guidance from Jon Taylor, co-founder. Search results curated by New Reg — established 1991, DVLA registered number plate dealer.

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