Number Plate Country Codes Explained

What Are Number Plate Country Codes?

Number plate country codes are one-to-three-letter signs, usually shown in white capitals on a blue strip at the left edge of a plate or on an oval sticker, that identify the country of registration.

What is the legal basis for a distinguishing sign?

The signs are set out in international road traffic conventions administered through the United Nations. Each country notifies the sign it uses, and the full, current list is maintained by the UN and by national governments, so it should be checked at source instead of memorised.

Why are they called distinguishing signs?

The official term is distinguishing sign of the State of registration. It "distinguishes" a vehicle's nationality, which is why a car with a plain domestic registration still needs one when it is driven in another country.

Country Codes Versus Area Codes Versus Age Identifiers

Three different things get called a "code" on a British number plate, and confusing them is the single biggest source of wrong answers online.

• The country code (GB or UK) says the vehicle is registered in the United Kingdom.
• The area code, or memory tag, is the first two letters of a current-style registration and points to a DVLA region and local office.
• The age identifier is the two digits that follow, which date the registration.

A worked example

Take the registration AB25 CDE. AB is the memory tag, 25 is the age identifier (registered between March and the end of August 2025) and CDE is a random group of three letters. GB or UK appears only if the plate carries a flag-and-identifier strip, and it is not part of the registration number.

How Do UK Number Plate Area Codes Work?

UK number plate area codes are the first two letters of a current-style registration (introduced in September 2001). The first letter denotes a DVLA region and the second a local office inside that region, which is why registration plate area codes are a loose guide to where a vehicle was first registered, not where it is now.

Every individual pair can be looked up in the number plate area codes reference.

The first letter: the DVLA region

The first letter groups the country into regions, with examples including L for London, M for Manchester and Merseyside, S for Scotland, C for Cymru (Wales) and Y for Yorkshire. A, B, D, E, F, G, H, K, N, O, P, R, V and W cover other regions of England, and X is used for exports and other special uses.

The second letter: the local office

The second letter points to the DVLA office that originally allocated the registration, historically a local vehicle registration office. Since the local offices closed and registration became centralised, the second letter is mainly a historical fingerprint.

Where Was My Car First Registered In The UK?

To answer where was my car first registered UK-wide, read the first two letters of a post-2001 plate and look them up in an area-code list. For an older prefix or suffix plate the logic is similar, but the letter pairs follow a different layout, with the area letters typically at the start of the suffix-era plate and at the end of the prefix-era one.

Why the answer is only approximate

A car can be registered in one region and sold to another, and a private plate can be moved to any eligible vehicle. A memory tag therefore tells you where that registration was originally issued, not where the keeper lives. The free number plate check does return the first registration year and key details recorded by the DVLA, but never the keeper's address.

Where Is My Vehicle Registration Recorded?

People who ask "where is my vehicle registration" usually mean one of two things: where the registration record is held, or where the number appears on the vehicle.

• The record is held by the DVLA and appears on the V5C registration certificate.
• The number is displayed on the front and rear number plates and, for many cars, on the V5C and other documents.
• For Northern Ireland vehicles, registration is also handled by the DVLA, while testing sits with the Driver and Vehicle Agency (DVA).
• The vehicle identification number (VIN) is a separate 17-character code on modern vehicles, not the registration.

UK Number Plate Registration Years: How The Age Identifier Works

UK number plate registration years have been shown on British plates since 1963. Under the current style the age identifier changes on 1 March and 1 September every year, and the two dates give two codes a year.

The March code

From 1 March the identifier is the last two digits of the year. A 25 plate covers registrations from March to the end of August 2025, and a 26 plate covers March to August 2026.

The September code

From 1 September the identifier is the year plus 50. A 75 plate covers September 2025 to the end of February 2026, and a 76 plate covers September 2026 to February 2027. See the full year chart for every identifier since 2001.

Why do dealers wait for new plate day?

Buyers like a car carrying the newest identifier, so registrations tend to cluster at the start of March and September. This is why many dealers publish stock and many buyers book collections for those weeks.

Reg Plate Year Chart: The Current-Style Age Identifiers

A reg plate year chart for the current style is easy to remember if you hold the rule: March uses the year, September adds 50.

What about the 2001 start?

The first current-style plates, with identifier 51, went on sale for the September 2001 changeover. Before that date the prefix system lasted from 1983 to 2001, and its single year letters are dealt with below.

British Number Plates Years: Prefix, Suffix And Current Style

British number plates years are shown by three different systems, and the style tells you roughly which era a registration belongs to.

Suffix plates

The suffix system began in 1963 with the year letter at the end, so A meant 1963. Letters then stepped forward, and from 1967 the change fell in the summer instead of January. Check an official chart before relying on a single letter.

Prefix plates

The prefix system began in August 1983 with A and continued through to the end of the alphabet, letters changing each August until 1999, after which March and September changes took over. It ended with the current-style change in 2001.

Dateless plates

A dateless plate has no year letter, so it hides the vehicle's age. Many cherished numbers are dateless, and dateless number plates follow their own formats.

What Year Is R Registration Car?

An R registration car was registered between 1 August 1997 and 31 July 1998. R is a prefix-era letter, so the registration reads as R followed by a number and then three letters, for example R123 ABC.

What year is M reg?

An M reg runs from 1 August 1994 to 31 July 1995, the same August-to-July window the prefix system used for most of its life.

P registration plate year

A P registration plate year is August 1996 to July 1997. It follows N (1995 to 1996) and sits just before R, because Q was held back for vehicles of uncertain age.

Car registration N

For people searching car registration N, the N prefix covers August 1995 to July 1996, between M and P. The same one-year rule applies to every letter in the era.

• M covers August 1994 to July 1995.
• N covers August 1995 to July 1996.
• P covers August 1996 to July 1997.
• R covers August 1997 to July 1998.

Car Registration Plates Years UK: A Quick Lookup Method

For car registration plates years UK drivers can usually place any vehicle in under a minute by checking the layout first and then the letter or digits.

1. Look at the layout: letters first then numbers then three letters is a prefix, three letters then numbers then a letter is a suffix, and two letters then two digits then three letters is current style.
2. For a prefix, find the first letter (A to Y) and match it to its August-to-July window.
3. For a suffix, find the last letter and match it to its year.
4. For current style, read the two digits after the first two letters and apply the March or September rule.
5. If the plate has no year letter, treat it as dateless and use a registration lookup for the vehicle's first registration year.

Checking the answer against official records

The most reliable confirmation is the first registration date held by the DVLA. A free MOT history and vehicle check returns the year of manufacture and first registration where recorded, and it is a quick way to catch a plate that does not match the vehicle.

Number Plate Years And Cherished Or Private Plates

Number plate years tell you the age of the plate on a fresh vehicle, but a private plate can break that link. A cherished number plate can be assigned to a vehicle of any age, provided the plate does not make the vehicle look younger than it is.

Can a plate make a car look newer?

No. The DVLA does not allow a registration that suggests a newer age than the vehicle really has. A car first registered in 2025 cannot be given a 2026-style identifier, and an older car cannot be fitted with a plate that implies a later year. Check the current conditions on GOV.UK.

What happens to the old registration?

When a private plate is moved, the vehicle that had it normally goes back to its original number or a replacement allocated by the DVLA. The retain a number plate process and the V778 retention document keep the number safe until it is reassigned.

International Vehicle Registration Codes In General Terms

International vehicle registration codes follow the same idea in every country: a short alphabetic sign, usually derived from the country's name in its own language or in a widely used language, shown alongside the registration.

• Codes are normally between one and three letters.
• The UN publishes the official list; nobody should assume it is complete from a handout.
• A country can notify a change, so older lists can lag.
• A sign can be on the plate, on a separate oval sticker, or both.

Why one country has one sign

The purpose is to avoid two countries using the same sign. This is why Ireland uses IRL, where a shorter IR would suggest a different country, and why Switzerland uses CH, from its Latin name.

UK Country Codes: GB, UK And The Post-2021 Change

For many years the sign for a UK-registered vehicle abroad was GB. Since the change in September 2021, the UK sign has been UK, and a GB sticker is no longer the standard when driving in Europe. Check GOV.UK before travelling, because the requirement depends on the destination and on the plate you carry.

What should my plate show at home?

At home, a plate does not need a country sign at all. If you choose to add a flag, a UK-registered plate may show the Union flag, the flag of England, Scotland, Wales or Northern Ireland, with the identifier GB, UK or the country's name beside it. These plate styles still have to meet the legal number plate standards.

Is a sticker the same as a plate strip?

A removable oval sticker and a printed strip on the plate do the same job abroad, but a sticker that overlaps the registration characters would break the plate rules at home.

Crown Dependencies And Overseas Territories

The Isle of Man, Jersey and Guernsey have separate registration systems, and they use their own distinguishing signs: GBM for the Isle of Man, GBJ for Jersey and GBG for Guernsey. Gibraltar uses GBZ.

• Isle of Man, Jersey and Guernsey plates are not issued by the DVLA.
• A vehicle moved to Great Britain from one of them is normally treated as an import for registration purposes.
• The DVLA's records, including the free number plate check data, relate to British registrations.

What about Northern Ireland?

Northern Ireland is part of the UK, so its vehicles use the same UK sign, while the registration format is different (see the Irish section below).

EU-Style Plates And The Blue Strip

The blue strip on European plates carries the EU circle of stars above the country code in white. It is a feature of many EU member states' plates, and the strip colour and style are set by EU rules for those states.

Can a UK plate show the EU flag?

Since the UK left the EU, new UK plates cannot show the EU flag, though plates already in use with it were allowed to stay on until replaced. Check the current wording on GOV.UK if you still have one.

Why Europeans show a country code even on domestic plates

A French or German plate shows a country code on the left because the strip is part of the plate design. A driver can then cross a border with no extra sticker, which is one reason UK drivers abroad sometimes show an oval sign instead.

Europe: Common Country Codes At A Glance

Seeing the codes alongside the countries is the easiest way to learn them. These are widely used signs, but the UN list is the authority.

Other widely seen signs

Other signs include B for Belgium, L for Luxembourg, P for Portugal, A for Austria, CH for Switzerland, DK for Denmark, S for Sweden, N for Norway and FIN for Finland. The list is far longer, so use the UN source for anything that is not on a standard travel map.

Irish Plates: IRL And The Republic Of Ireland Format

Republic of Ireland plates carry IRL on a blue strip and use a year, county and serial format that is quite unlike a British registration. An Irish plate is not a GB plate, and Irish vehicle records are not held on DVLA or DVSA systems.

How an Irish registration is built

A modern Irish registration has three parts: a year code, a county code and a serial number. Since 2013 the year code has three digits, with the last digit showing the half of the year, so the pattern runs year, half-year, county letters, then the serial.

Which counties show which letters?

County codes are one or two letters, for example D for Dublin, C for Cork, G for Galway and KY for Kerry. The full list is held by the Irish authorities, so rely on that for any other county. Detail on the format is in Irish number plates, and a side-by-side view is in Ireland licence plates compared with UK plates.

Northern Ireland: A UK Sign With A Different Plate Format

Northern Ireland vehicles are UK-registered, so abroad they show the UK sign, but their registrations look different from those of Great Britain.

• They are typically a group of letters including I or Z, followed by numbers.
• They have no age identifier in the British sense.
• Vehicle registration and tax stay with the DVLA, while testing and driver licensing sit with the Driver and Vehicle Agency.
• The Northern Ireland MOT-style test is a separate system from the Great Britain MOT.

Is a Northern Ireland plate an Irish plate?

No. A Northern Ireland plate is a UK plate that happens to use the Irish-looking I and Z letters, while an Irish registration plate from the Republic uses the year, county and serial format. Visiting drivers often confuse them.

NL Number Plate: The Netherlands

An NL number plate belongs to a vehicle registered in the Netherlands. The code NL is the distinguishing sign, and Dutch plates are yellow at both front and rear, with the NL code in the blue strip on the left.

What do the characters mean?

Dutch registrations are made of letters and numbers in groups and do not carry a county-style area code. They follow a sequence that changes over time, so the characters do not reveal the town of registration.

Does NL mean the same as the Dutch word for country?

NL comes from Nederland, the Dutch name of the country, which is how most European signs are formed.

HR Number Plate: Croatia

An HR number plate is a Croatian one, taken from Hrvatska, the Croatian name for the country. Plates typically start with letters that indicate a registration area, for example ZG for Zagreb, followed by numbers and letters.

• The code HR is in the blue strip with the EU stars.
• A national coat of arms often sits between the area letters and the numbers.
• A UK visitor seeing HR on a car is looking at a Croatian registration, not a different code format.

Why different alphabets do not matter

All Croatian plates use Latin characters, so the code reads the same on any international sign.

SK License Plate: Slovakia

An SK license plate is a Slovak plate. SK is Slovakia's international sign and it appears in the blue strip.

Are SK and SLO the same country?

No. SK is Slovakia and SLO is Slovenia. This is a classic mix-up for travellers because the English names look similar. The sign is the safest way to tell them apart.

District letters

Slovak plates start with two letters showing a district, for example BA for Bratislava, then numbers and letters.

LV Number Plate: Latvia

An LV number plate is a Latvian registration. LV is Latvia's distinguishing sign.

• It appears on the blue strip when the plate follows the EU layout.
• Latvian registrations are normally a mix of letters and numbers without a UK-style year code.
• The same letters LV are also used as an abbreviation for other things, so the context of a car and a plate decides the meaning.

What about neighbouring countries?

Estonia uses EST and Lithuania LT, completing the three Baltic states.

TR Car Registration And Registration Plate TR

A TR car registration can mean two different things, and people searching for it need to tell them apart.

Turkey: TR as a country sign

TR is the distinguishing sign for Turkey (Türkiye). Turkish plates typically begin with a two-digit number for the province, then letters and numbers, with the TR sign at the left. Istanbul, for instance, uses 34.

Britain: TR as a memory tag

In the British current style, TR can also appear as the first two letters of a registration, in which case it is a memory tag, not a country code, and it says nothing about Turkey. A vehicle plate such as TR25 ABC is a British registration from 2025. Read more under TR number plate.

Which one do you have?

Look at the layout: if the plate is two letters, two digits and three letters, it is British current style; if it begins with a two-digit province code and shows a blue strip, it is Turkish.

UA, CZ, CH And Other Letters People Confuse

Short signs are easy to mistake, and a few pairs cause most of the confusion.

• UA is Ukraine, and UA number plate explains the sign and its use in more detail.
• CZ is Czechia and CH is Switzerland.
• SK is Slovakia, SLO is Slovenia and SRB is Serbia.
• A is Austria; AUS is Australia.
• N is Norway; NL is the Netherlands; NZ is New Zealand.

How to avoid mistakes

When a sign is two letters long and unfamiliar, check it against the UN list or an official travel source before drawing conclusions.

Non-European Codes You May See

Visitors and imported vehicles carry signs from further afield.

Why the list is not the whole story

Only a handful of examples are certain from memory, so for any other country the UN-maintained list is the source of record.

What To Display When Driving A UK Vehicle Abroad

If you take a UK-registered vehicle abroad, the rule in short is to display the UK identifier, either as part of the plate or on a separate sticker, and to check the destination's own requirements first.

1. Check whether your plate already shows a UK identifier on a flag strip.
2. If it does not, fit a UK oval sticker or approved sign where the destination requires one.
3. Remove or cover old GB stickers if they conflict, following current GOV.UK advice.
4. Carry your V5C, insurance and licence documents, which many countries ask to see.
5. Confirm requirements for each country you will cross.

Do drivers have to put the sticker on the plate?

No. The sign is usually placed near the rear of the vehicle, not on top of the registration characters, because covering the characters is not allowed.

Driving In Britain With A Foreign-Registered Vehicle

Visitors can usually drive a foreign-registered vehicle in Great Britain for a limited period, provided it is insured, roadworthy and carries its own country's distinguishing sign. Time limits and conditions are set by the government and change, so check GOV.UK.

What stays the same

The visitor's plate remains the plate of the home country, so a French vehicle keeps its French registration and the F sign while in Britain. It is not re-registered by the DVLA.

What changes if the vehicle stays

If a foreign-registered vehicle is kept in Britain beyond the permitted time, the DVLA registration process normally applies. The vehicle receives a British registration and the foreign plates stop being the correct plates.

Imported Vehicles: From Foreign Plates To British Ones

When a vehicle is imported and registered with the DVLA, it is allocated a British registration and normally must carry British plates made to the current standard. The old foreign plate stops being valid for use on the road in Britain.

• The vehicle must meet UK registration requirements before the DVLA registers it.
• Plates must be made by a registered number plate supplier.
• Number plates must be made to BS AU 145e if they are made today.
• A foreign registration number is not kept as a private plate unless the DVLA says it can be.

What about the foreign records?

Foreign registration records are held by the authority in the original country and are not part of the DVLA's vehicle data. A number plate check covers British records only.

Motorbikes, Trailers And Country Codes

Motorcycles and trailers follow the same distinguishing-sign idea but have their own plate rules.

Motorbikes

Motorcycles typically carry one rear plate in Great Britain. Details of sizes and rules are in motorbike number plates.

Trailers and caravans

A trailer normally shows the registration of the towing vehicle, and some trailers have their own plate; the country identifier is needed abroad as for any other vehicle. See number plates for trailers and caravans.

• Check GOV.UK for the trailer type.
• Display the same country sign as the towing vehicle.
• Do not obscure the registration with the country sticker.

Vans, Lorries And Company Vehicles Abroad

Commercial vehicles follow the same sign rule as cars, and fleet operators often fit the sign to the plate design so it is never missed.

• Hauliers need the right documents for each country, and the distinguishing sign is only one of them.
• A company car is registered to a company keeper on the V5C, and the keeper responsible for the vehicle carries the paperwork.
• Hire vehicles often arrive with the sign already fitted.

Who is responsible?

The driver is normally responsible for displaying the right sign, whoever owns the vehicle, so check before leaving.

Electric Vehicles, Green Flashes And Country Signs

Zero-emission vehicles in the UK may carry a green flash on the plate, which is permitted and is separate from the country sign. A plate can have both a flag-and-identifier strip and a green flash, subject to the rules on layout.

Does the green flash replace the country code?

No. The flash only marks an emissions category; it carries no country meaning, and the UK sign is still needed abroad.

Classic And Historic Vehicles Abroad

Classic cars with dateless plates or old-style plates still need the identifier when driven abroad.

• A dateless plate can carry a flag strip if it is a legal plate.
• Old cars need to follow the plate rules relevant to their registration date, so check GOV.UK.
• Clubs and event organisers often advise on country signs for rallies.

Dateless and cherished plates

A cherished number plate or private plate on a classic car is still a normal UK registration, so the same sign rule applies when it travels.

Hire Cars And Ferries

Hire companies often provide the sign and a statement of permission to take the car abroad, and company car drivers should check their policy.

• Ask whether the hire contract allows foreign travel.
• Confirm that the UK sign is already on the car.
• Ferries and tunnel operators scan registrations at check-in, so the plate must match the booking.

What if the booking and plate differ?

A mismatch between the booking and the registration can delay boarding, so correct the details before travelling.

Plate Font, Size And The Blue Strip

The country-sign strip on a plate has to sit inside the legal plate rules, which also cover the typeface, spacing and size of the characters.

• The legal typeface is a version of Charles Wright 2001, covered in the legal registration plate font.
• Character sizes and plate dimensions are explained in UK number plate size.
• The plate must be reflective and made by a registered supplier.
• Plates must carry the supplier's name and postcode and the standard number.

Can a strip alter the registration?

No. A strip must not move or distort the characters or make them look like different characters. The overall rules are summarised in legal number plates in the UK.

Show Plates And Novelty Country Signs

A show plate is for display at events and photography, and it is not legal on a public road in place of proper plates. A show plate may carry any strip or sign the owner likes, which is why a plate in a photo is not proof of what is legal on the road.

Flip plates and altered plates

Plates built to change or hide the registration are illegal, and a country sign must never be used to disguise the characters. Read about number plate flippers to see what is not allowed.

Myths About Country Codes

Some beliefs about codes are common and wrong.

• Myth: GB is part of the registration. It is not; it is a country sign.
• Myth: the first two letters show the country. They show a DVLA region and office.
• Myth: a plate reveals the owner. Registration data on a plate never shows the keeper's name or address.
• Myth: all European plates share one format. The strip is common, the formats are not.
• Myth: an EU flag on a UK plate is still current. Check the current rules on GOV.UK.

Why myths persist

Most myths come from the habit of calling every letter on a plate a "code".

Common Mistakes

• Reading the area code as the country.
• Using an old GB sticker where the UK sign is required.
• Placing a sticker over the registration characters.
• Assuming a foreign plate can stay on a vehicle registered in Britain.
• Treating a show plate as a road-legal plate.
• Assuming a private plate shows a different country.

The cost of getting it wrong

Wrong signs can lead to roadside problems abroad, and wrong plates at home can lead to prosecution. Check GOV.UK.

Checklist Before Crossing A Border

1. Confirm the destination's current vehicle rules on GOV.UK.
2. Check that the plate shows a UK sign or fit a sticker where needed.
3. Carry the V5C or hire paperwork and proof of insurance.
4. Check the MOT status with the free MOT check if the vehicle is old enough to need one.
5. Make sure the plates are clean, legible and undamaged.
6. Confirm any tolls, emissions-zone or ferry check-in rules for the route.

Which Documents Help

• V5C: records the registered keeper and the registration number.
• V750: the certificate of entitlement issued when a number is bought from the DVLA.
• V778: the retention document issued when a number is taken off a vehicle and kept.
• V317: the transfer or retain application route.
• Hire or lease paperwork showing permission to travel abroad.

Documents for a private plate

If a private plate is on the vehicle, the V5C shows the current registration, and the retention or entitlement documents show your rights over a number held off the road. For steps, read how to put a private number plate on a car.

If The Record Or Plate Looks Wrong

If a registration appears wrong on the V5C or plate, correct it through the official route.

1. Compare the V5C and the plate character by character.
2. Contact the DVLA through GOV.UK using the vehicle details.
3. Do not alter characters yourself or use stickers to correct a plate.
4. Order a replacement from a registered number plate supplier.

What if it is a data error on a lookup?

If a lookup returns details that do not fit the vehicle, compare against the V5C and report the error to the DVLA. The vehicle registration document information shows what the V5C records.

Official Sources For Codes And Rules

• GOV.UK publishes the rules on displaying a UK sign abroad and on number plate standards.
• The UN maintains the list of distinguishing signs.
• The DVLA registers vehicles in Great Britain and runs the personalised registration system.
• The DVA covers testing and licensing in Northern Ireland.
• Foreign national authorities hold their own plate rules.

Learning about the DVLA

Background on the agency is in Driver and Vehicle Licensing Agency (DVLA) explained.

Finding The First Registration From A Plate

To find a vehicle's first registration details from a British plate, enter the registration into a free lookup for the make, year of manufacture or first registration and MOT history. It will not show the keeper, insurance or finance. If the aim is to trace a car you used to own, see how to find your old car.

What an area code cannot do

An area code or country sign cannot pinpoint a current location or an owner.

Do UK Plates Need A Country Code At Home?

No. A plate used only in the UK does not need a country sign, and the registration alone is what the law requires to be displayed.

Optional flag and identifier

A flag with GB, UK or a nation's name is an allowed extra, not a requirement, provided it sits in the permitted area at the left of the plate.

Choosing a plate supplier

A registered number plate supplier will ask for proof of identity and entitlement to the registration and can advise which strip styles are legal.

Quick Summary

Country codes identify the country, area codes identify the original DVLA office and age identifiers date the vehicle. Keep them separate and the rest of the system is simple. For the wider topic, see personalised number plates and how to read a UK number plate.

Frequently Asked Questions