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UPCA

UPCA Font
UPCA Barcode Font Label Example generated by DRPU Barcode Generator Software
UPCA Font
UPCA Barcode Sample generated by DRPU Barcode Generator Software

UPC stands for Universal Product Code. UPC-A is used for marking products which are sold at retail in USA. UPC barcode is primarily used in the retail industry as a POS (point of sales) barcode symbology. UPC is used in the United States and Canada in the retail industry to uniquely identify product and it`s manufacturer so that cash register systems can automatically look up the related data.

Since UPCA barcode used for labeling retail products, it is one of the most widely used and recognized barcode in all of the linear barcode symbologies. UPCA is 12 digit code: the first six digits represent the number system character and the manufacturer of the labeled item, the next five digits are unique product identifier and the 12th digit is check character, that is based on the previous 11 digits of data. A typical UPCA barcode has center guard bars in the center of the symbol which are longer than the other bars. This divides the symbol into a right and left half. This division allows the symbol to scan in any orientation.

bullet Structures of UPC-A barcode:

UPC-A barcode has the following structure:

  • Start guard bars, always with a pattern bar+space+bar.
  • Left halve, six digits encoded using the encoding schema A or B.
  • Center guard bars with a pattern space+bar+space+bar+space.
  • Right halve, six digits encoded using the encoding schema C.
  • Stop guard bars, always with a pattern bar+space+bar.