Number Plate Letter Substitutions UK: The Complete A–Z Guide

Personalised number plates continue to grow in popularity across the UK, with thousands of motorists searching for creative ways to spell their names, nicknames, businesses and favourite words on a registration plate.
One of the best ways to create a memorable private registration is by using number plate letter substitutions. By replacing letters with similar-looking numbers, you can often create the look you want without needing the exact letters, helping you find a registration that is both available and affordable.
Whether you're looking for a plate for yourself, a family member or a business vehicle, understanding which numbers can replace which letters can significantly increase your options.
Most Popular Number Plate Letter Replacements
| Letter | Number Replacement | Example |
|---|---|---|
| O | 0 | G0, B20 WN |
| I / L | 1 | M1 KE, L1 AM |
| Z | 2 | 2 OOM |
| E | 3 | 3 ASY |
| A | 4 | F4 ST |
| S | 5 | K155 ME |
| G | 6 or 9 | 6 ARY, MAG 61E |
| T | 7 | 7 OM |
| B | 8 or 13 | 84 RRY, 13 EN |
0 = O
The number 0 is the easiest and most recognisable number plate letter substitution. If you need the letter O, replacing it with a zero is usually understood instantly by other drivers.
Examples include:
- G0
- BR0WN
- J0HN
- T0M
If you're looking for an O on your personalised registration, 0 is often the perfect alternative.
1 = I or L
The number 1 is commonly used instead of the letters I and L. This is particularly useful when creating registrations based on names.
Examples include:
- M1KE
- L1AM
- S1MON
- PH1L
The number 1 can also represent being "number one", making it popular on business-related registrations.
2 = Z
The number 2 is frequently used as a substitute for the letter Z. It can also represent the word "to" in certain registrations.
Examples include:
- 2OOM
- 2ACK
- 2 SLO
Whilst not as visually accurate as some substitutions, it is often effective when viewed at a glance.
3 = E
The number 3 is widely recognised as a replacement for the letter E.
Examples include:
- 3ASY
- 3LITE
- 3DDIE
This is one of the most commonly used substitutions on private registrations.
4 = A
The number 4 is one of the strongest and most popular letter replacements available.
Examples include:
- F4ST
- M4RK
- 4DAM
- 4MY
It can also represent the word "for" in some registrations.
5 = S
The number 5 has been used as a replacement for the letter S for many years.
Examples include:
- K155 ME
- 5AM
- 5TEVE
- 5ARAH
It's one of the most recognisable substitutions used on personalised number plates.
6 = G
The number 6 can sometimes resemble the letter G, depending on the registration format and viewing angle.
Examples include:
- 6ARY
- 6REG
- 6EMMA
Although less common than 0, 1, 4 or 5, it can still be highly effective.
7 = T
The number 7 is occasionally used as a replacement for the letter T.
Examples include:
- 7OM
- 7ED
- 7INA
This substitution is less obvious but can work well within certain registrations.
8 = B
The number 8 is one of the strongest visual substitutions available and is often used instead of the letter B.
Examples include:
- 8ARRY
- 8EN
- 8ABY
Many collectors specifically look for registrations using the number 8 because of its close resemblance to the letter B.
9 = G
The number 9 can sometimes resemble a lower-case "g" and is occasionally used as a substitute for the letter G.
Examples include:
- MA9GIE
- 9ARY
- K9
K9 remains one of the most famous and recognisable examples.
Double-Digit Number Plate Letter Substitutions
Some personalised registrations use combinations of numbers to create letters or sounds.
| Number | Letter Representation | Example |
|---|---|---|
| 10 | IO or LO | B10 for BIO |
| 11 | LL | 411 for ALL |
| 12 | R | 12 OSY for ROSY |
| 13 | B | 13 ATS for BATS |
These combinations can open up additional opportunities when searching for the perfect personalised registration.
Are Number Plate Letter Substitutions Legal?
Yes. However, whilst using numbers that resemble letters is perfectly legal, you must display the registration exactly as assigned.
You must not:
- Alter the spacing.
- Use non-standard fonts.
- Change the appearance of characters.
- Misrepresent the registration number.
Your registration plate must always comply with current DVLA regulations and British Standard requirements.
Find Your Perfect Personalised Number Plate
You don't always need the exact letters to create the registration you want. By using clever number plate letter substitutions, you can often find a registration that looks just as effective while remaining far more affordable.
Whether you're searching for your name, initials, business name or a unique message, understanding number plate letter replacements can dramatically increase your options.
Browse our extensive range of personalised number plates for sale and discover the perfect registration today.