What is Code 39?
Code 39 (also called Code 3 of 9) is a simple alphanumeric barcode that can encode uppercase letters, digits and a few symbols. It is common in industrial, government, military and asset-tracking applications because it is easy to read and widely supported.
Common Uses for Code 39
- Asset and equipment tracking tags
- Government and military ID labels
- Library and document management
- Automotive and manufacturing parts
Frequently Asked Questions
What characters can Code 39 encode?
Code 39 encodes uppercase A-Z, digits 0-9, and the symbols - . space $ / + %. It cannot encode lowercase letters.
Is Code 39 still used?
Yes, Code 39 remains common in industrial, government, military and automotive settings due to its simplicity and wide scanner support.
Can I batch generate Code 39 barcodes?
Yes, paste a list of values and this tool generates the batch for printing on one sheet.
Does Code 39 need a check digit?
Code 39 check digits are optional and rarely used. The barcode works fine without one for most applications.