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UPC A Barcode

UPC is a short form of Universal Product Code. UPC A refers to the most commonly used linear numeric only barcode symbology intended to encode items in departmental sectors. UPC A was primarily developed at April 3, 1973 when grocery industry formally documented UPC as standard barcode symbology to label goods.

UPC A is renowned with other popular names including Universal Product Code version A, Supplement 5/Five-digit Add-On, UPC-A Supplement 2/Two-digit-Add-On, UPC-A+5, UPC-A+2, UPC Code, UPC Symbol, GTIN-12, GS1-12, UCC-12.

Character set of UPC A Barcode Symbology

The character set of UPC A barcode symbology is a combination of subsequent sections:

  • Number System

Number system consists of first digit in UPC number used to recognize type of product and is printed to the left side of the barcode symbol.

  • Manufacturer Code

Manufacturer code is printed just below the barcode symbol. UCC council assigns manufacturer code to every company or manufacturer which distributes goods along with UPC A barcodes.

  • Product Code

Product code consists of a 5-digit number assigned by the manufacturer and is printed below the barcode.

  • Check Digit

Check digit is implemented to check whether the barcode is generated or scanned correctly or not. Calculation of check digit is done using other remaining digits and is printed to the right of the barcode symbol.

Structure of UPC A Barcode

UPC-A barcode symbology has the following structure:

1. Start guard bars, always consists of form bar+space+bar.

2. Left halve is composed of six digits encoded with encoding schema A or B.

3. Center guard bars jointly a pattern space+bar+space+bar+space.

4. Right halve covers six digits encoded through encoding schema.

5. Stop guard bars, constantly includes a structure bar+space+bar.

Applications of UPC A Barcode

1. UPC A barcodes are used to recognize products in departmental stores in Canada, United States and others.

2. Books, newspapers, magazines, drugs, toys, tickets etc can be tracked using UPC A barcodes.

Generate UPC A Barcodes through Barcode Generator.

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