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Home›Barcode Types›What Is a Code 39 Barcode?

What Is a Code 39 Barcode?

Code 39 is a linear barcode that accepts uppercase letters and digits. Long established in industry and defence, it is simple and self-checking but less dense than Code 128.

Code 39: ABC-123

Sample data: ABC-123

Create your own Code 39 barcode →

Key facts

Year1974
StandardISO/IEC 16388
CapacityLetters + digits
NoteCommon in industry and defence; accepts uppercase letters and digits

Where is it used?

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Frequently asked questions

What is Code 39?

Code 39 is a linear barcode that accepts uppercase letters and digits. Long established in industry and defence, it is simple and self-checking but less dense than Code 128.

How much data can Code 39 hold?

Code 39 capacity: Letters + digits.

Where is Code 39 used?

Main uses: Industrial and defence labelling, Asset and equipment tags, Name badges and internal codes.

Is Code 39 1D or 2D?

Code 39 is a linear barcode.