The most common barcode formats are 3 of 9, Code 128, UPS and Interleaved 2 of 5.

Barcodes can be sequential or can be random numerical sequence. If a random sequence is requested, you will need to provide us with a database with the numbers to use.

Code 39
This barcode is also referred to as Code 3 of 9, can vary in size and length, use numeric and alphanumeric characters, and can be used anywhere a simple barcode is needed. Code 39 can be decoded with virtually any barcode reader, making it the most widely used. The barcode starts and stops with a * symbol and prints the number or alphanumeric characters in a human readable format with the barcode.

Code 128
This barcode is a high density barcode that offers a variable length and has a mandatory check digit as well as being capable of encoding alphanumeric or numeric only characters.

This barcode is 12 decimal digits where the last digit is a check digit. UPC barcodes use numeric characters only and have a fixed length. They also can include check digits.

Interleaved 2 of 5
This barcode is a numeric only barcode that encodes information on both bars and spaces.

If you are not sure what type of barcode your system requires, we strongly recommend contacting your point of sales (POS) system provider. They can assist you with which type of barcode will work and the necessary characters for your particular system.

Questions to ask your point of sales system provider.
• What barcode format or formats work best with your system?
• Are there any specific characters or numbers necessary to be used in a barcode serial number?

We will gladly produce a sample barcode to your specifications at no charge.
