The next five digits represent the item's number. The first six numbers of the barcode is the manufacturer's identification number. There are two types of barcodes: linear – or 1D, and 2D. Their use has spread to many other tasks that are generically referred to as automatic identification and data capture (AIDC).
Hence a barcode essentially is a way to encode information in a visual pattern that a machine can read.īarcodes became commercially successful when they were used to automate supermarket checkout systems, a task for which they have become almost universal. This gives you the ability to store a significant amount of information in a small space.What is a Barcode? What is used for and how can you generate barcode?Ī barcode (also spelled bar code) is a method of representing data in a visual, machine-readable form.īarcode is a machine-readable code in the form of numbers and a pattern of parallel lines of varying widths, printed on a commodity. The US Postal Code barcode is also called POSTNET, and is used by the US Postal service for mail delivery.Ī QR code, or Quick Response code, is a type of 2D barcode that can hold more than 4,000 alphanumeric characters. EAN/JAN-8 is similar to the UPC-E, but also allows you to store the first two digits of a country code. The barcode is similar to UPC-A, but allows you to include the first two digits of a country code.ĮAN/JAN-8 requires the use of 7, 9 or 12 characters. This barcode is a compressed code that is used to mark small packages and paperback books and magazines in retail.ĮAN/JAN-13 can only store 12, 14 or 17 characters. The first 6 digits are unique to your business, and must be assigned to you by GS1 US.
This is the most commonly used barcode in retail product labeling. UPC-A is a 12-digit fixed-length barcode. This barcode can only store numeric information, and is commonly used in warehousing and inventory stock control. This barcode can only contain numeric information, and is typically used in industrial and master carton labeling.Ĭodabar is often used in libraries and blood banks.Ĭode 93 is similar to Code 39, but allows you to store more characters per inch. If you are considering using barcodes in your company, Code 128 is a good choice. Use Code 39 to store any of the 43 standard alphanumeric characters, including capital letters A-Z, numbers 0-9, and some punctuation.Ĭode 128 is the most easily read barcode and can be used to store any alphanumeric characters.
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