How to Find Your Locker Key Code (UK Step-by-Step Guide 2026)

If you need a replacement locker key in the UK, the most important detail is the locker key code. Without the correct code, ordering a replacement can result in the wrong key being cut.

This step-by-step guide explains where to find your locker key number and what to do if the code is missing.

What Is a Locker Key Code?

A locker key code is a unique number or alphanumeric reference that matches a specific lock barrel. Keys are cut to this code, not by copying the physical key alone.

Step 1: Check the Key Head

Most locker keys have the code stamped directly onto the key head. The number is typically:

• 3–5 digits long
• Sometimes prefixed by a letter
• Stamped clearly into the metal or plastic head

Step 2: Check the Lock Face

If the key is missing, inspect the front of the lock barrel. Many manufacturers engrave the code around the keyway.

Step 3: Identify the Manufacturer

Different locker lock brands use different numbering systems. Common UK manufacturers include:

• Ojmar
• Lowe & Fletcher (L&F)
• Ronis
• Eurolocks
• Probe

If unsure, compare the lock shape and key head design with our main Locker Keys UK page.

What If There Is No Visible Code?

If the key code is not visible:

• Check internal maintenance records
• Ask the locker supplier
• Consider replacing the entire lock

Can You Order a Locker Key Without a Code?

In most cases, replacement locker keys are cut by code. Without the code, identification becomes difficult unless the lock can be removed and inspected.

Common Mistakes When Ordering Replacement Keys

• Confusing locker number with key code
• Ordering from the wrong manufacturer
• Guessing the code sequence
• Ignoring letter prefixes

Next Step: Ordering Your Replacement

Once you have identified the correct locker key code and manufacturer, you can order safely. Visit our Locker Keys UK page for manufacturer-specific replacement options.

Frequently Asked Questions

Is the locker number the same as the key code?
No. The locker number displayed on the door is not always the key cutting code.

Can two lockers have the same key code?
Yes, particularly in large installations with master key systems.