When you often buy a product, a barcode must be something familiar. The barcode is usually attached to one side of the product packaging. Generally, barcodes consist of black lines on a white background.
In addition, under these lines, rows of numbers usually appear lined up. The numbers on the barcode generally form a certain pattern. There is one number that is on the outermost border of the left and right side of the barcode. Meanwhile, just below the barcode lines, there are two rows of numbers, each of which consists of five numbers. What do these numbers mean?
Reporting from searcherp.techtarget.com, the row of numbers on the barcode serves to identify the item it is attached to. The identification process will appear when the barcode is scanned by a computer. Generally, a row of numbers on a barcode consists of 12 digits.
Reporting from geeklycamel.com, the first number on the outer left border of the barcode serves to identify the type of product. Zero, one, six, seven, and eight are standard numbers for Universal Product Codes.
Meanwhile, the number two is used for products that are weighed first, such as meat or fruit. The number three serves to identify products related to health. Number four for non-food items. Then, the numbers five and nine are used to identify the coupon.
The five digits after the first digit from the left serve to identify the manufacturer of the goods. Then, the next five numbers are the product code that serves to identify the product. Meanwhile, the number at the far right is the check digit, which is used to detect errors when the barcode is scanned by the computer.