Plate Circle
231 KO

231 KO private number plate

A dateless private plate in the three numbers followed by two letters format with spotted history recorded on Plate Circle.

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Spotted history

231 KO private number plate on a Mercedes-Benz S-Class, spotted in London

Sales history

Plate history

This plate's journey, as recorded by DVLA, DVSA, and the Plate Circle community.

About private number plate 231 KO

231 KO is a five-character dateless registration that carries a short and balanced visual layout. The format consists of three numbers followed by two letters, a style that avoids the year identifiers found on more modern UK number plates. This gives the registration a clean and timeless look, which is a key characteristic of the dateless era.

The initials KO are estimated to have mid-market popularity, suggesting a consistent and broad potential audience. For many, these letters may represent personal initials, but the registration also carries a clear sports and competitive theme. The letters KO can mean knockout, a term deeply rooted in boxing, mixed martial arts, and other combat sports. This association could suit a professional athlete, a gym owner, or a fan of these disciplines, as it has the look of a bold and impactful statement.

The number 231 is a three-digit sequence that sits within the 100 to 999 band. In the collector hierarchy, triple-digit numbers are generally more sought after than four-digit alternatives, and they contribute to a shorter overall character count. This five-character format is more concise than the standard seven-character registrations seen on most vehicles, which helps the plate stand out while remaining easy to read.

Historically, the KO letter code was originally issued in Maidstone, Kent. It belongs to the South East England region, and the dateless number-letter format is broadly associated with the era preceding the introduction of suffix registrations in 1963. Such plates are often valued by collectors for their historical origins and their survival from earlier periods of vehicle registration.

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Community knowledge

Community-submitted and not verified by Plate Circle. May be inaccurate.

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231 KO details & categories

Frequently asked questions

Is 231 KO for sale?
Not currently. Follow to be notified if a listing is added.
What type of plate is 231 KO?
231 KO is a dateless private number plate with a format of three numbers followed by two letters.
Can I follow 231 KO for updates?
Yes. Use Follow This Plate above to be notified when new sightings, listings, sales history or community updates are added.

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