2 of 5 Interleaved

This barcode is similar to the barcode 39, being also variable in length: It can, however, only represent numbers. It is used mainly in industry.

This Code was developed in 1972 by the company Intermac.

Code 25 is a very simple numeric code which is able to display digits from 0 to 9. The code is primary used in industry and is also known as Code 2 of 5 or Code 25 Industrial. Code 25 has no built in check digit. The code is some years old and it takes up so much space that today it is not often used.

Code 25 Interleaved is a special type of Code 25 that is also a numeric code able to display digits from 0 to 9. The code is also known as Code 2 of 5 Interleaved. It has no built in check digit.

The advantage of Code 25 Interleaved is that the code uses self-checking and it has a high information density. Therefore it does not need much space like the simple Code 25. Code 25 Interle aved is only valid if there is a even number of digits. To display an odd number of digits you have to add a zero to the beginning (123 becomes 0123) or you may use your own check digit.